>> michelle sigona, thank you very much. >>> it's no surprise russia has hurt the public's perception in the united states. a new cbs poll shows 56% of americans see russia as unfriendly or an enemy. that's up sharply from 24% in 2007. the poll also shows many disapprove of how president obama has handled the conflict. now, the president just wrapped up a historic three-day summit with african leaders amid the deadly ebola outbreak and he vows the u.s. will continue its work to help contain the virus. >> countries that have been affected are the first to admit that what's happened here is that the public health systems have been overwhelmed. >> the president's comments come just as the world health organization released new numbers about the outbreak. there are now more than 1,700 suspected cases of ebola in four west african nations. officials say the virus has killed 932 people so far. >>> well, despite the new number, some doctors on the ground in west africa believe the impact of the disease is much worse. debora patta is tracking developments in south africa. >> reporter: a top l

michelle sigona, cbs news, new york. >>> time now 4:41. oakland business owners taking the law into their own hands. what they say happened when they tried to call for [ indiscernible ] for help. >> and what's cool about your school or your summer camp? email your nomination to coolschools@kpix.com and we may come and feature your school on the show. stay with us. ,,,,,,,,,,,,,, vigilante justice ag >>> one bay area business owner said he had no choice but to do this. he and his associates used vigilant justice against a suspected thief. while the store's other than tells kpix 5's christin ayers he wanted oakland police to deal with it, he couldn't get them to answer the phone. >> it's like the wild, wild west. >>> reporter: call it wild west oakland. the people who run ideal market are going after a man who they say has stolen from them three times. monday he was caught on surveillance video. >> he has taken the first bottle, sticking it in his jacket. >> reporter: when workers tried to call police on the nonemergency line they got a busy

>> michelle sigona here in new york. thank you, michelle. >>> the obama administration is not totally ruling out a military operation against the militants who killed james foley, but isis is growing and expanding its reach. holley williams has more on its goals and tactics. >> reporter: in the gruesome video showing james foley's murder, his executioner speaks with a british accent. >> this is james foley, an american citizen of your country. >> reporter: to recruit more young muslims from the west, isis released this propaganda video in june featuring three british men who encouraged others to join them and sacrifice their lives for islam. >> look around you when you sit in comfort and ask yourselves, is this how you want to die. >> reporter: in a violent rampage beginning two months ago, isis extended its territory from syria into northern iraq. it ruled with brutality and fear publicly executing those who offend its strict version of islamic lore. what makes isis unusual as a terror group is the ambition of its leade

michelle sigona with more on the mission authorized by president obama. >>> reporter: james foley was working as a journalist in syria when he was captured by islamic extremists in 2012. a video of his execution was released this week, and isis the group claiming responsibility for the killing is threatening to kill another hostage. >> the united states of america will continue to do what we must do to protect our people. we will be vigilant and we will be relentless. >> reporter: president obama spoke wednesday and made it clear that this kind of abrutality has no place in the 21st century. >> no just god would stand for what they did yesterday and what they do every, single day. >> reporter: outside their new hampshire home, james' mother and father, john and diane, spoke at length about their son. >> jim wanted to witness. he wanted to be a witness to all the suffering. >> reporter: in 2011 while covering the unfolding events in libya, foley was arrested and held by government officials for several weeks. after his release, he spoke to the media about why his work was important to

as michelle sigona tells us, he is trying to prevent genocide. >> reporter: the u.s.y dropped desperately needed water and food to tens of thousands of people stranded on a mountaintop in northern iraq. >> these innocent families are faced with a horrible choice: descend the mountain and be slaughtered or stay and slowly die of thirst and hunger. >> reporter: the catholics and others fled their towns as isis militants moved in demanding they convert to islam or be killed. president obama said he will call on the u.s. military for air strikes if necessary. >> we can act carefully and responsibly to prevent a potential act of genocide. >> reporter: the militants are also threatening americans in the city of irbil. >> when the lives of american citizens are at risk, we will take action. that's my responsibility as commander-in-chief. >> reporter: the president says air strikes will be used to protect u.s. military advisers and diplomats stationed there. >> as commander-in-chief, i will not allow the united states to be dragged into fighting another war in iraq. >> report

michelle sigona for cbs news, new york. >> pope francis wants the international community to help people affected by the violence in iraq. he released a statement urging all involved to find a solution to the conflict and to aid the refugees there. the statement expresses concern about a growing humanitarian tragedy. >>> all right. hawaii is in line for a one-two punch from mother nature. the leading edge of tropical storm iselle is hitting the big island now. shortly after it was downgraded from a hurricane. cbs reporter bigad shaban is in hilo where a second storm is likely to hit over the weekend and it is stronger. >> reporter: iselle is swirling closer to hawaii. but those on the island insist they are ready. >> we have water, we have everything. we're good to go, no worries. >> reporter: the storm is packing powerful winds, heavy rains and strong surf as it approaches the big island. people filled emergency shelters thursday night waiting for iselle to make landfall. bill watson lives a block from the ocean and says he is not taking any chances. >> just not worth taking the risk. t

michelle sigona, cbs news. >> the white house has not yet confirmed the authenticity of the video just yet. president obama is expected to make a statement later today. >>> parts of arizona face massive clean-up efforts after torrential rainstorms caused flash floods in the phoenix area. this type of scene was common yesterday. a man trapped inside a home waving a white t-shirt to alert rescue crews. a helicopter eventually hoisted him up from the roof. deep water also trapped people inside their cars, workers at one farm say they saw hundreds of cacti swept away. >> the monsoon, yeah. 48 inches there. what's hard is the ground is so solid it's almost like cement because it's so dry so they get flash floods. none. that here. we have a little -- none of that here. we have a little drizzle. >>> things will be very nice the next few days. today touch and go. we have low clouds and fog that have swept onshore and that area of low pressure that brought the deep marine layer now headed into southern california where they are seeing showers toward the san diego area. we are going to see sunsh

michelle sigona for cbs news. >> liberia's president says people will have to give up civil rights to stop the spread of ebola. two american aid workers who contracted ebola while working in africa are showing signs of improvement. >>> developing news now on the cease-fire in gaza. israeli and palestinian officials say they want the peace to continue after 72 hours are up. the talks are ongoing in cairo with egyptians acting as ind immediate areas between the two sides -- intermediaries between the two sides. israel wants hamas to disarm. gaza wants an end to the blockade of gaza. >>> bank of america is expected to shell out $16 billion to the u.s. government. details of the record settlement when we come back. >> from the kpix 5 weather center, good morning, everybody. we are tracking two hurricanes and your weekend forecast. that's still straight ahead. >> and it's getting a little more crowded at the san mateo bridge, folks leaving hayward now. you can see the taillights heading over the flat section of the span. take a full look at your "kcbs traffic" after this break. the wait is

michelle sigona reports. >> reporter: >> reporter: a crowd became unruly for a fourth night. dozens of people were out to protest the shooting michael brown, 18. earlier in the week they were asked to confine their demonstrations to daylight hours. they responded with peaceful marches. but tensions are still running high. on wednesday, police took two journalists into custody at a ferguson mcdonald's. "washington post" reporter wesley lowry videotaped the incident as it happened. officers in s.w.a.t. gear told him and hutch ton post reporter bryan reilly to leave. >> evidently, i wasn't moving quickly enough and both of us were arrested. >> reporter: both were released, no charges were filed. people in ferguson are still demanding to know the identity of the officer who killed brown on saturday. witnesses say the unarmed teen's hands were up when he was shot. officials so far are not releasing the officer's name. >> we will talk to anyone who has anything to say about this. >> reporter: all evidence will be presented to a grand jury. michellecy gonna, cbs news. >> a national

michelle sigona for cbs news. >> a national moment of silence planned for today in memory of michael brown with vigils and dozens of cities nationwide. one of the vigils will be at 4:00 in downtown oakland. it will be at the oscar grant plaza that's at 14th street and broadway across from city hall. >>> the united nations has announced its highest level of emergency for the humanitarian crisis in iraq. islamic militants have overrun the country's north and west have and driven out hundreds of thousands from their homes. the u.n. declaration will generate more help for those displaced. the u.s. and iraqi military have been dropping food and water supplies to refugees who have been trapped on mount sinjar. >> humanitarian situation of the civilian population on mount sinjar is alarming, due to the narrow corridors for transporting essential aid such as medicines, food and water. >> yesterday, about 20 u.s. green berets performed a reconnaissance mission on mount sinjar. they spent nearly the entire day trying to determine what it will take to get thousands of refugees off the mountain.