and color in their coloring books and ask me hard math questions that i couldn't even answer. so it was amazing to see that there is something positive going on here in the community. that's it for me. thank you for watching. i'll see you back here on monday night. stay with our coverage right now all weekend. natalie allen picks up coverage from now. >> don, thank you. hello to viewers in the united states and around the world. i'm natalee allen. you're watching cnn. dozens of people massacred at a mosque in iraq, shiite militia men are suspected. that has big political implications. also ahead, ukraine calls it a direct invasion, a russian convoy crosses the border, but there's a debate about what those trucks are meant to do. also, we now know who will make a key decision about the fate of the police officer who shot an unarmed teenager in ferguson, missouri. our cnn team is on the ground as protesters take to the street.

we begin with a horrific act of deadly violence at a sunni mosque in diyala province. shiite militiamen shot to death about 70 worshipers and wounded at least 17. we will show you video purportedly taken of the attack. we will warn you, it is graphic and disturbings. law americas have now walked outs of talks aimed at creating a unity government in iraq. details now from cnn in baghdad. >> gunmen stormed a sunni mosque in deal la province northeast of baghdad. opening fire on worshipers killing more than 70 people. police say it is not clear who is behind the attack but sunni politicians are blaming it on shia militia saying this is the latest of a series of attacks targeting sunni civilians. these killings are raising fears here of retaliatory attacks and

further sectarian violence. the clunt's nain sunni political party say they have withdrawn from the on going negotiations to form i anew government and will not return till the perpetrators of this attack are arrested and brought to justice. the clock is ticking on the heida to put together his new government. he has a little over two weeks to go to meet that deadline in what is seen as a last chance to try and save iraq by some. al abadi has had a tough task to try and bing on board iraq's sun nye community who have felt marginalized by the government of prime minister nuri al maliki. they say in politics they have been sidelined and persecuted by the iraqi security forces. the shia dominated security forces. in the past, the sunni arab

community has been key in fighting extremist groups. they really turned the tide in this country's battle against isis's predecessor al qaeda in iraq when they joined forces with the u.s. military. but the political situation and the rule of prime minister nuri al maliki over the past few years has driven some sunnis into the ranks of isis and in some communities, people turned a blind eye to isis' presence seeing them as the lesser of two evils compared to the shia dominated security forces. this is also a real setback for the country's fight against isis. the united states and president obama making it clear more u.s. support will only come if a truly inclusive government emerges soon. cnn, baghdad. >> the brother of the american journalist beheaded by militants says the u.s. government could have done for to try and free

him. the obama administration said this week a military operation this summer failed to rescue james foley and other hostages. michael foaly spoke with cnn's anderson cooper. >> just today, the white house you know, said that they did everything possible and i know you said you believed there was more the united states could have done to perhaps secure jim's release. can you expand on that a little bit? what more do you think could have been done? >> well, the united states for a country as large as it is has pretty limited resources that i could see with respect to these situations and i think there's more that state in particular could have done and their hands are tied in many ways by the rigid policies that we tend to follow, but i think, i know there's more that could have been done you know, directly directly contacting those and

it's hard 0 go into much more detail than that, but i think you can understand the picture that i'm painting. several of our european journalists were freed. >> and even though the executioner wore a mask, we have heard the voice of the man who murdered jim foley. here's atika schubert with the latest on the investigation from london. >> the race is on to identify the man who killed james foley. his face is hidden but there are clues especially his voice spouting militant propaganda in an unmistakable british accent. >> any attempt by you, obama, to deny the muslims their rights of living in safety under the islamic cal fate will result in blood shed of your people. >> we will not show the video. it is too graphic but we did ask a number of voice analysts to take a listen to the audio. here's what they said. >> this is a guy who is spent most of his formative years in and around london i would say.

he may well have been born in another country. he may well have another language as his first language but he ended up speaking very much in the same way as other people in the east end of londonen an south london, as well. >> experts all agree the man is under 30 years old and grew up in britain from a very young age. >> he comes from a well educated professional family. which some people might find very shocking >> there are other clues. his height and build, even the boots he wears and the way he holds the knife indicates can he may be left-handed. british investigators are now analyzing the video and comparing it to the database of video and audio recordings of known jihadists. they're also reaching out to britain's muslim community hoping someone somewhere recognizes his voice. there are an estimated 400 to 500 british nationals that have volunteered to fight in syria and iraq. one of them may be the man who killed james foley and the

british government says it is determined to find him. atika schubert, cnn, london. >> so a big question right now, what should the west do next with isis trying to expand forces in parts of iraq and syria, u.s. president barack obama now finds himself being pushed toward possible military action in syria. we get more on that from barbara starr at the pentagon. >> reporter: u.s. officials tell cnn there are long-standing and on going talks inside the administration about increasing air strikes in iraq and even the possibility of tailored air strikes inside syria against specific isis targets. but officials stress no decisions have been made by the white house. >> we're actively considering what's going to be necessary to deal with that threat. and we're not going to be restricted by borders. >> and the pentagoning is divulging nothing.

>> we don't telegraph our punches. i think you can rest an sured that the leadership here in the pentagon understands the threat posed by this group. >> talk of military options stirred up by this comment by defense secretary chuck hagel about the threat of isis and its ranks of 10,000 fighters. >> oh, this is beyond anything that we've seen. so we must prepare for everything and the only way you do that is you take a cold steely hard look at it and get ready. >> officials are taking pains to emphasize that any military takz would only be part of a long-term strategy against isis involving diplomacy and action from other countries in the region. u.s. military leaders continue to make the case that air strikes alone will not defeat isis. that countries in the region must band together to defeat their radical ideology. barbara starr, cnn, the

pentagon. new video shows dozens of yazidi men captured by isis being forced to convert to islam. the video is said to have been shot in northern iraq. the yazidis are one of iraq's smallest and oldest religious minorities. in recent weeks, isis has stormed yazidi villages in northern iraq leading to the deaths of hundreds and displacement of thousands more. we turn now to the u.s. and the streets of ferguson, missouri, where two weeks of violent clashes with police have gimp way to relative calm. the unrest there centers around the deadly shooting of 18-year-old michael brown by a police officer in the suburb of st. louis. a grand jury is hearing evidence in the case now. and we now know the makeup of that panel. it consists of seven men and five women. there are three african-americans, one man and two women. and nine grand jurors are

caucasian. three of them are women, six are men. ferguson does remain calm as the community looks ahead to monday's funeral for michael brown, but the streets are not empty. our stephanie elam joins me now from ferguson with the latest. and what a week it has been there, stephanie. >> well, if you take a look behind me, tuck see it's a completely different tone than it was at the start of this week. ending on a much calmer note, people out here very peaceful. you hear some music, i hear some drumming. but for the most part, there are people just walking around. there was a group out marching. i can't see nem any longer. the police presence was definitely here but they were further removed from the main street here and the street also remained open. cars were make their way through here. each night it has gotten more and more relaxed. we continue to see that tonight. while people were out here walking around, we encountered one couple from the st. louis

area but they're not from ferguson. we asked them why they felt the need to come out here. take a listen. >> these are part of our neighbors. this is part of st. louis community. we're very strongly committed to seeing how our fellow st.louisans are treated both reality and on the air. and we feel like this is a kind of microcosm of what's happening throughout the community. >> people have been coming up and thanking us for our support. you know, one thing i think that canning come out of all this is to get a conversation going across the entire country about race. because that's what it boils down to. it's this country is vet polarized. and has a lot of healing to do and a lot of work to do. >> and the couple went on to tell me they do believe that st. louis is still a very segregated

city and they do believe that racial profiling happens here. they just want people to know that this is something that has to be dealt with and it can't continue to bubble under the surface. as they say it has been doing here in st. louis for many, many years. natalee. >> and what do we know about michael brown's funeral coming up on monday, stephanie? >> well, we nope it's going to be open to the public and we know that the sanctuary holds 5,000 people and that there already are some overflow rooms being set up. they're expecting a lot of people to turn out for that besides we heard al sharpton will be here, as well. it is building itself up to be a very large moment here for a city, a town, an area that have really have been traumatized in the past couple of weeks since the death of mike brown. so this is one thing that people are hoping will bring some resolution to the community here when this happens on monday morning. >> all right, stephanie elam live for us on a calm friday

night in ferguson. thank you. up next here on cnn, an act of compassion or belligerence? moscow says these trucks are carrying humanitarian aid. ukraine calls this an invasion. and which country is banning miley cyrus? ♪ in the nation, the safest feature in your car is you. add vanishing deductible from nationwide insurance and get $100 off for every year of safe driving. which for you, shouldn't be a problem. just another way we put members first, because we don't have shareholders. join the nation.

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welcome back. a russian convoy carrying what moscow calls humanitarian aid has crossed into eastern ukraine. moscow says it had approval to cross the border. kiev disputes that. they believe it's a cover for transporting supplies to rebels fighting in the country's east one ukrainian official called it a direct invasion and western powers support the ukrainian government's stand. >> the united kingdom deeply concerned about this provocative and unilateral action. it is an undeniable and blatant violation of ukrainian sovereignty and a clear breach of international law and the u.n. charter. it has nothing to do with humanitarianism. that humanitarian effort is being coordinated by the united nations and if the russian federation wanted to participate in that, it could do so in a collective way rather than

acting unilaterally. >> cnn's deana mag nay is in eastern ukraine. earlier she described the convoy and the controversy surrounding it. >> this russian convoy entered ukrainian territory without the permission of kiev and without the escort of the international red cross. they said they couldn't be guaranteed safe passage. that means you have 227 russian trucks on ukrainian soil apparently filled with humanitarian aid although the icrc weren't able to inspect more than 34 of the trucks that went through. russia said it couldn't wait any more that the situation, the humanitarian situation in luhansk was so dire it had to move and move fast. there is no doubt that the situation there is dire. there is no running water. there is no electricity, food supplies are very low for those inhabitants who have braved the shelling and who have stayed in luhansk. but the fear remains this

russian convoy is a trojan horse brought in possibly to resupply the rebels who have been losing ground to the ukrainian advances in recent weeks. and it also means that the ukrainian army may have to put a hold on its military offensive at a time when it is really making significant inroads against account rebels in this conflict scarred corner of eastern ukraine. all the while, nato says russia is building up its troops once again on the border with ukraine. diana magnay, cnn, ukraine. >> among the european leaders condemning the movement of the russian convoy is german chancellor angela merkel. she will depart for kiev to meet with ukrainian president poroshenko. earlier she spoke with u.s. president barack obama by telephone. both leaders warn russia is riggering a dangerous escalation

of the conflict in ukraine. hamas run television says a man and girl were killed and at least a dozen people woundeded in an israeli air strike on a house in gaza city friday. al aqsa tv aired video of victims scrambling. earlier the prime minister warned hamas would pay a heavy price for a mortar attack on a parking lot that killed a 4-year-old boy. the israel military at first said it was fired from the vicinity of a u.n. school in gaza used as a shelter. it later retracted the assertion saying the launch site was a school hamas used as a shelter. the abductions and deaths three israeli teenagers in june are being blamed for the ratcheting up of tensions between israel and hamas. now hamas admits the operation was indeed the act of a group in its ranks but a hamas official are el official says it was not

approved by leadership. he said in a statement at that time the hamas leadership had no knowledge about this group or the operation it had just carried. it ournd out later however that they were members of hamas. hamas operatives put 18 suspected informants for israel to death in gaza friday as ian lee reports, the execution was brutal, swift, and very public. we must warn you some of the video you're about to see may be disturbing to some viewers. >> images of men sentenced to die. hamas released these photo of gunmen clad in black with the guilty accused of treason by collaborating with israel. their identities concealed, possibly to avoid embarrassing their families or if their high ranking hamas members to hide the depth of penetration by israel's intelligence service. we don't know much about these men but what we know is that the very public execution sent a

strong warning to other collaborators. no sympathy for the condemned found here. this is a good punishment for them. the ekscutions come right after israeli air strikes killed three top commander of hamas's military wing. israeli prime minister benjamin netanyahu praised the country's intelligence service for the operation. it's unknown if these men were involved. the palestinians have long struggled with collaborators. in 2012, this video shows an accused man being dragged behind a motorcycle. the driver warns other would be turncoats of a similar fate. the question arises why would a palestinian betray his countrymen? there's the obvious financial incentive as well as the potential for people to be blackmailed into becoming collaborators. hamas asked all those who is "fell in the mud of treason," to turn themselves in and said they would be shown mercy. we don't know what that mercy is. all legal proceedings have been kept behind closed doors.

at least 18 accused have been executed so far. that number is likely to grow. ian lee, cnn, gaza city. >> and just ahead, the tiny woman with the large presences in islamic jihad. why does isis want her back so badly? tlet's get out of here. road-trip!guys. so esurance is using technology to help them see new york. should of brought a camera. you are a camera.

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you either like her or you don't. we are talking about singer miley cyrus.

and you can put the government of the dominican republic in the latter category. the commission that oversees public performances has banned cyrus' concert september 13th because of, well, you know, morality concerns. neither a representative for cyrus nor the concert promoters have commented on ban. she's not sticking her tongue out at the dominican republic i don't think. let's bringing in ivan cabrera. >> i won't do that either. >> thank you. >> especially because i just ate a pack of peanuts. the more countries that ban her, the better i think for her, isn't it? remember madonna back in the '80s? yes, she got band. the pope was upset. >> then her star rises, right? >> that's the way it works. talk about chicago. my goodness, torrential downpours here. people were getting bibi boat earlier today. look at the flash flooding that came through thursday and into friday with these very heavy

downpours that trained over the same area. the southwestern suburbs of chicago getting worst hit. take a look at some of the numbers here. in four hours they got almost 4.578 inches and their monthly average is about a half inch over that. so had he got their almost their monthly average in just four hours. can you imagine? you don't have to. let's take you to the scene and show you what's been happening. kayaks and canoes were out. this is serious stuff across serious chicago with schools being closed. numerous businesses having to be closed and all the people with the flooding in their homes now have to file claims. it's just been a mess with these summer thunderstorms that we're not letting up. unfortunately, the pattern is still there for more rain over the next couple days. the dewpoints are in the 70s. just used up in the atmosphere. you get the daytime heating and thunderstorms just pump up in

the afternoon. right now, of course, in the lull through the overnight hours. we should get more on the way tomorrow, hopefully not as heavy as your monthly average in four hours but it is going to be raining. had a big ridge of the high pressure across the eastern u.s. that's important because it's going to be bringing some nasty temperatures but on the leading edge of it here, there you see the thunderstorms firing up. an unusual deep trough setting up across the northwestern u.s. will bring the potential for severe weather i think through the dakotas and into western minnesota. but let's show you some of the heat indices. all of the areas shaded in orange here are under a heat advisory. temperatures are going to go well into the 100s as far as how it's going to feel outside. dog days of summer, they are here, natalie, even in atlanta. temperatures going to feel like it's about 100 degrees. we were out there already feeling it today. >> it was the steamest day in atlanta i can remember. >> thanks it, ivan i guess.

still to come on cnn, more of cnn's interview with the brother of murdered american journalist james foley. >> jim's really my hero. and i think he's a hero for many people. >> jim foley's legacy, michael foaly talks about that straight ahead. you're driving along, having a perfectly nice day, when out of nowhere a pick-up truck slams into your brand new car. one second it wasn't there and the next second...

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>> welcome back to cnn. i'm natalie allen. here are the headlines this hour. the video you're about to see is disturbing. it was taken during a horrific mass killing at a sunni mosque in iraq's diyala province. suspected shiite gunmen fatally shot at least 70 worshipers and wounded at least 17 others. sunni lawmakers blame shiite militias. the russian ambassador to the u.n. says moscow received official acceptance by kiev authorities for what it calls this humanitarian convoy of white trucks that have been in the news for some time. but kiev an cues moscow of carrying out a direct invasion. that convoy of 227 trucks has entered ukraine through a rebel

controlled checkpoint. we now know a little more about who's on the grand jury hear evidence in the fatal shooting of michael brown by a police officer in ferguson, missouri. the panel consists of seven men and five women. nine grand jurors are white. there are three african-americans. hamas-run television says a man and a girl were killed and at least a dozen people wounded in an israeli air strike on a house in gaza city friday. earlier, israel's prime minister warned that hamas would pay a heavy price for a mortar attack that killed a 4-year-old boy. the brother of james foley says the u.s. government could have done more to try to free the captured american journalist. foley was beheaded by islamic extremists and michael foley says the u.s. policy against paying ran some for hostageses is too rigid. he spoke about his older brother with cnn's anderson cooper. >> what kind of guy was he?

>> anderson, i don't want jim to have died in vain and from the amount of support i've seen, i don't believe that will be the case but i want people to remember jim and his legacy, how he, you know, his fight for the less than privileged people, for the poor. for his love of journalist and the detire to bring light to bring the story out from places in the world that wouldn't otherwise be heard. and jim's really my hero and i think he's a hero for many people and i really just hope that that will legacy carries on. >> is that really what compelled him? i mean he came late to the world of journalism. >> he did. >> he was 40 years old when he died. but to go to the places repeatedly that he went to, i

mean, you know, there are other forms of journalist one can do but he those the most difficult path and most dangerous path imaginable. was it for you in his description of it, it was always about trying to give a voice to those who didn't have a voice? into it was. i didn't appreciate it, especially after you know, we worked for 40 days to get him out of libya. i didn't appreciate it till he went back to libya that second time and i started to understand it and someone you know, i've been asked this question a million times why he's gone back. someone shared at analogy why does a fireman go back into the burning fire? because they believed in their core that this is what they're meant to do and jim came to it late in life but it really merged his talents and his desires and i really think he brought a lot of skill to the profession in the short amount of time he was doing it. >> it also i think is important

to point out again, you know, he wasn't sort of this young foolhearty guy going off to wars. i mean he had been out there a long time. he had been experienced, as you said, he had been taken captive in libya. he knew how to operate on the ground. did you -- did you talk to him about the dangers? did he discuss those with you and about his thoughts on it in. >> yeah, yeah, i mean we knew -- he had a lot of experience, you're right. he was embedded with some forces in afghanistan and iraq and then of course, libya multiple times. syria more than once. but you know, anyone that's following what's going on in syria knows there's no blueprint for safety. >> i was reading after he got out of libya the first time, global post, he had a job stateside for a while, but he -- >> he did. >> but it didn't fit. i mean he just. >> it didn't fit. >> he insisted on going over.

>> jim actually lived with us in massachusetts and it was a time we cherish. my two boys really, really looked up to uncle jim. the fun uncle with no rules and but no, domestic life wasn't for him. he had to -- he had to get back. >> michael foley there. and he says his late brother's friends have set up a scholarship fund in james foley's name at marquette university in wisconsin. it's for disadvantaged students who want to go into journalism. isis had hoped to bartter with james foley's life for several key figures of the islamic jihad movement. one of them a petite mother, scientist and some allege a terrorist sympathizer dubbed lady al qaeda. jean casarez has our profile. >> what i'm saying is simply that a woman is not an unpaid slave. into this is dr. siddiqi also

called lady al qaeda. a pakistani national, her release from a u.s. prison was one of the demands made by isis in exchange for american journalist james foley. in an e-mail mail sent to foley's family isis wrote we have also offered prisoner exchanges to free the muslims currently in your detention like our sister, dr. althea siddiqi. >> she is an icon. he she is the poster girl for jihad. and in that way, she serves as a sort of rallying point. >> she is the premier symbol of the muslim woman in many distress. >> siddiqi earned degrees from m.i.t. and bran dice university outside boston. this petite 44-year-old woman, a neuroscientist and mother of three, lived in the u.s. for more than i an decade. and. 2003, she disappeared. in 2004, was put on an fbi alert

list considered a clear and present danger. in 2008, siddiqi was stopped by afghanistan national police for acting suspicious outside a government building. according to court documents, officers searched her handbag and found numerous documents describing the creation of explosi explosives, chemical weapons and other weapons involving biological material and radiological agents. handwritten notes referred to a mass casualty attack. listing various locations in the united states including the empire state building, wall street, and the brooklyn bridge. when american authorities came to quell her the next day, she grabsed one of their rifles and started shooting. she was flown to the u.s. where she was never charged with terrorism but convicted of attempted murder. siddiqi claimed she was framed. >> she interrupted her trial repeatedly with heated outbursts, anti-semitic outbursts about jews, all kinds

of things, the judge found that she was mentally capable of standing trial but that she needed some sort off treatment and that's why he sentenced her to way prison in texas where she is able to receive psychiatric care. >> she also has a notorious in-law, she married the nephew of khalid shaikh mohammed, the mastermind behind the 9/11 attacks. >> based on what you know, is she a scientist or a terrorist? >> she's definitely a terrorist sympathizer. no doubt about that and she was helping terrorists, but she was never -- she's never been accused of actually committing a terrorist act herself. >> whether she has committed a terrorist act or not, isis clearly considers her to be of great value. jean casarez, cnn, new york. in iraq, the battle against isis militants has come to a strategic town northeast of

baghdad. iraqi forces and kurdish peshmerga fighters have surrounded ja lala. the push to route them out follows a strong warning from the u.s. defense secretary. >> isil is a sophisticated and well funded as any group that we have seen. they're beyond just a terrorist group. they marry ideology, a sophistication of strategic and tactical military prowess. they are tremendously well funded. oh, this is beyond anything that we've seen. we are pursuing a long-term strategy against isil because isil clearly poses a long-term threat. we should expect isil to regroup and stage new offenses. and the u.s. military's involvement is not over.

>> u.s. senator john mccain says isis is a cancer that will extend beyond the region into europe and the united states and he isn't only one who believes the group's influence could spread. em ra walker has that. >> isis, the islamic state in iraq and syria, the ruthless sunni terror group that refers to itself as the islamic state is now seen as a greater threat than al qaeda. >> they're beyond just a terrorist group. they marry ideology, a sophistication of strategic and tactical military prowess. they are tremendously well funded. oh, this is beyond anything that we've seen. >> in just the past eight months, they've swept across western and northern iraq and expanded their territory in northern syria. they control hundreds of miles along the euphrates and tie ris rivers holding an area larger

than neighboring jordan. u.s. officials say isis numbers some 15,000 active fighters while iraqi analysts believe they may have three times that number. the majority are believed to be syrian and iraqi but they also include thousands of foreign fighters. through a sophisticated effort online using social media and slickly produced videos like this one, the group has recruited radicalized young muslims from europe, australia and the former soviet union all in the name of creating their own religious state. and their ranks continue to grow. the syrian observatory for human rights claims isis gained 6,300 new recruits in july alone. we've seen video of isis fighters parading through the streets in pickup trucksing with automatic rifles and rpgs. experts say they've captured more serious weaponry from syrian and iraqi military bases and armories. some believed to be of american and russian origin. also, analysts call isis the

wealthiest terrorist group in the world. >> sthel have over $2 billion worth of assets, well funded operating as a corporate entity. >> isis has amassed its massive bankroll from robbery -- smuggling, extortion and kidnapping. they raid banks in towns and cities they've seized. it's estimated they make as much as $2 million a day from the oil supplies they control in northern iraq and it's believed the group is also receiving financial support from individual sympathizers in gulf states like saudi arabia, kuwait and qatar. em ra walker, cnn. >> next here on cnn, back in the u.s., what would ferguson, missouri, be like right now the if that police officer hadn't shot his gun? taser taser. >> but used a taser instead.

>> we'll look into that coming next. ♪ in the nation, the safest feature in your car is you. add vanishing deductible from nationwide insurance and get $100 off for every year of safe driving. which for you, shouldn't be a problem. just another way we put members first, because we don't have shareholders. join the nation.

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back now to ferguson, missouri, two weeks after an unarmed tamer was shot and kid by a police officer, what would have happened if the officer had fired a taser instead of bullets? ren nail marsh looks at the benefits and limits of the electroshock weapon. >> police, don't move. drop the weapon! >> the officers were dispatched to a burglary from progress. >> taser taser. >> this is only a drill. police in arlington county, virginia, arrive guns drawn within seconds, one officer swaps his gun for his taser. what triggered that decision? >> when the suspect dropped that crowbar, that potential weapon they saw that the suspect had empty hands. >> it's training to help officers make a split second decision whether to use deadly

force. ferguson police officer darren wilson apparently did not use a taser before he shot and killed unarmed teenager michael brown. nor did two st. louis county police officers before they shot and killed this knife-wielding man. >> drop the knife. >> the st. louis county police chief defended their decision. >> tasers aren't 100%. tasers require two probes to make contact with the skin. if one misses, that suspect is still coming toward you with a knife, your life's in danger. >> my position is just because we can use deadly physical force doesn't mean we always should. >> veteran officer lieutenant marlon byrd agrees. officer safety is paramount but calls this a missed opportunity. >> there were two officers there. you had an opportunity for one to have less lethal, taser, and the backup, the safety officer would have had their gun out. if the taser didn't work, the other officer was in the

position to use deadly physical force. >> byrd believes a taser could have been used to subdue michael brown too. >> stop. >> officers are trained to use one level of force bob the suspect. >> the use of deadly force common policy is that if the suspect is posing an immediate threat of death or serious injury to the officer, then the officer should respond with lethal force. >> other factors, the presence of a weapon, distance, immediacy of the threat and the suspect's size and demeanor. >> if the suspect is dangerous or violent towards the officer but doesn't quite meet that threshold of an immediate threat of death or serious bodily injury, then they would respond with a lesser force option such as a taser. >> lieutenant byrd believes the fatal police shootings in missouri highlights the need for better training, he says so police can talk down suspects instead of shooting them down. rene marsh, cnn, washington.

>> it will take several months of hard work to combat the ebola virus. that was the word friday from the world health organization. the groups assistant director general says ebola isn't something that can be turned around overnight. that's been obvious. and he said health officials with really struggling with this outbreak. currently, no approved vaccine exists for ebola, but china says it has come up with a substance that can quickly detect the presence of the virus. [ speaking foreign language ] >> translator: our region is able to complete the test process for the virus within three to four hour of obtaining a sample of a suspicious patient. we've a plan for limited production for the moment and are able to supply to users soon. >> according to the latest figures from the world health organization, there are more than 1400 confirmed, probable or suspected deaths from ebolaen amour than 2600 cases of the virus since the outbreak began

in march. the disease has claimed 624 lives in liberia, 406 in guinea and sierra leone, the number is 392. and the who attributes five deaths in nigeria to ebola. an eerie glow in outer space. and if you think this looks like a creature from the sea, an astronaut agrees. we'll explain just ahead. ♪ life-changing decision.

at university of phoenix, we know going back to school is a big decision. that's why we offer students new to college a risk-free period. so you can commit to your education with confidence. get started at riskfreephoenix.com a tropical disturbance in the caribbean is being watched closely for possible development. meteorologist ivan carrera back with us. you said it was disorganized. >> well, it is, but for the folks in puerto rico, it's bringing squally showers. we still have to watch as the potential is there for additional development. natalie, it's been very quiet so far in the season in the atlantic. arthur your, a hurricane and then we had bertha and perhaps now we are looking at the birth

of tropical storm cristobal. certainly that has not happened yet. we don't even have a tropical depression. we have a disturbance and hurricane hunter aircraft will be going in. we'll see if we have' closed circulation. what is happening is nothing is going to organize quickly because it's impacting with the island of hispaniola. the dominican republic getting in on rain. once this shifts further to the north, we'll get a better handle on what this will eventually become and where it will eventually go. look at san juan's radar out of puerto rico. you see the bands streaming on in? that is bringing very heavy downpours there. however, this area has been under significant drought, especially across the southwestern part of puerto rico which is kind of missing out. as it moves further to the north and west, we should be getting rain. beneficial. we like the rainfall without the wind. that's exactly what they're getting. one of our computer model

forecasts is spinning this up nicely. there you see it now, once it gets away from land, you'll begin to see a better development as it passes through the turks and caicos and then impacts with the bahamas. computer model forecasts are now confused. some are still on the northern track, right? hooking it away from the united states. and now a few of them are thinking, well, maybe we'll go over to florida and bring some rainfall there. so it remains to be seen if this consensus begins to build towards the west or not. again, i think we'll get that better handle once this thing gets over open water as we head through tomorrow. but whatever happens i think if this does head towards florida, it is going be a weaker system and it's likely just going to be a rain situation. the other area of -- well, the area really so far this year, the eastern pacific, karina, lowell and marie. this is the one already impacting with mexico.

you don't need a tropical system to make landfall to wreak havoc across the region. look at port tote vallarta. the heavy rain bands associated with the system are coming ashore with heavy downpours going into baja and the center of circulation staying well offshore. it is a gorgeous place. i must imagine people sitting on the beach not going to have a good time because it's going to be pouring on them, you unfortunately. i guess you can still drink the margueritas. >> that's important with salt, please. so have you taken the ice bucket challenge, ivan? >> i have not. >> i should have challenged you. i should have challenged you. >> we should do a challenge. >> it felt pretty good because it's so hot in atlanta. >> you did it. >> i did. i challenged john vauss. >> check it out. >> we're talking about the ice bucket challenge because everybody is doing it. it is certainly a bizarre little fund raidser but boy is it working. more than $53 million has been

raised so far for research into als, the disabling neurological condition also known as lou gehrig's disease. donating is straightforward. people pay good money to watch other people dump ice water on to their heads. i don't know how much i watched but you taking the challenge can have unintended consequences. >> i he nominate from five seconds of summer. >> now the format of an ice bucket chal is pretty familiar but megan waterman gave it a twist that got the internet's attentioning >> wow. >> priceless. >> in just a few days, her video has been viewed over 700,000 times but the story of this ice bucket challenge starts with a trip to the dentist. >> oh, no. >> last week, a lot of my friends got nominated and it was pretty funny.

the videos were pretty good and i allot of them donated. i was like i'll do that but i got nominated the day before i got my wisdom teeth out. >> after the extraction, waterman found herself alone and chatting online with a friend that reminded her about the nomination. >> my mom told me not to leave my room. so -- but i'm bleed ago! >> whacked on anesthetic, waterman slurs her way through a prechallenge speech but when it's time for the ice water ---ing. >> how did you miss your head? >> i didn't want to get my hair wet apparently. >> waterman barely remembers make the video, but when she woke up the next day, it was spreading through the internet like wildfire. this morning, it was even featured on buzz feed, the internet's curator of online culture. >> with the world's biggest celebrities and probably your

friends and neighbors all posting ice bucket videos of their own, waterman's anesthetic contribution certainly stands out. she's just glad to do her part for als awareness and to get attention for her other youtube videos. the budding musician has i an series where she performs cover songs and some of the attention from her ice bucket challenge is spilling over to her music. >> i've always wanted like to having music. i want to make a living at it but it's hard to do. this is really helping >> zack gowdy. >> her 15 minutes of fame. what do you think? >> i want to see yours, that is fantastic. i can't wait to see yours. i have stories too far when i had my wisdom teeth out. >> i came back on the air years ago before i should have. my co-anchors sent me home. >> it's amazing what you can do and say under anesthesia.

>> the look on her face. there's a lot of the those out there. we'll move on here. we all know what flames look like in a fireplace. how does fire burn in the vac kux of space? it seems like a jellyfish of flame, at least that's how concentrate reid wiseman described it tweeting short videos from the international space station. wiseman is conducting experiments using small droplets of fuel to understand the way it burns in microgravity. he called this one slow motion flame pulse. of course, the ice challenge wouldn't work up in space. that's it here on cnn for now. more news coming next with essa suarez. stay with us.

a lot of women and children waving. here they come. >> i've been doing this job for more than ten years. i have never seen a situation as desperate as this as emotionally charged as this.

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