allegations that u.s. air rapids killed 200 people in iraq. hong kong has a new leader chosen by the country of the elite. she says she will unify a divided nation. >> why president trump's vow to crack down on undocumented immigrants is increasing fear and worry among some domestic abuse victims. it is all ahead. welcome to our viewers in the united states and around the world. i'm natalie allen. >> i'm ivan watson in hong kong. "cnn newsroom" starts right now.

>> our top story, grieving iraqi civilians are demanding answers and so are the iraqi government and the u.s. military. the pentagon and iraq's defense ministry are looking into allegation that is federal u.s.-led air strikes have killed iraqi civilians in western mosul this month. these pictures are from the aftermath of one of the raids that occurred on march 17th. the u.s. and iraqi forces are trying to drive isis out of its major strong hold in iraq. the offensive may be costing hundreds of civilian lives. cnn's ian lee joins us from cairo, egypt. the number of people accidentally killed is quite high and devastating. >> reporter: that's right, natalie. it is quite staggering from what are the reports that we are

hearing about the number of people who are quild in this air strike, allegedly killed in in air strike on march 17th. a u.s. central command overseeing operations by coalition forces say they are going to been veinvestigating this. they have opened up a formal assessment to get down to how and what happened. we are hearing reports that it took a while for rescue workers to get to the site of this explosion because it was just so dangerous. also, reports that there are still people trapped and that the scene is sheer devastation, where there are body parts everywhere. the u.s. trying to figure out what really happened, because it is being heard that isis is bringing people to these front line areas to use them as human shields to deter air strikes because of the risk of civilian

casualty. we went out in the middle of the night but thank god, we managed to escape. >> we were fired upon from the coalition air force. the snipers go to the top of the buildings that have families and the air force strikes these buildings killing them and everyone in the house. u.s. central command saying that their ultimate goal is zero civilian casualties. while that is nearly impossible to do, they will try to figure out what exactly happened in this air strike. how many people died. also, looking at was u.s. responsible? was it one of their air strikes or an isis weapons depo that was exploded with this air strike? a lot of questions to be answered. natalie? while they look for those answers, is the fighting going

to continue? what about the air strikes, will they be suspended? >> the u.s. says that they are not going to cause in the operation. we also heard from iraqi federal police that say they are not going to pause as well. there are some local leaders that say there needs to be a pause to assess and allow civilians to leave. the iraqi federal forces say they are going to use more snipers, more drones, less mechanized machinery, more soldiers on foot. when you look at the area that they are going into, which is the old city of central mosul. it is densely populated. these are old buildings and nir roe alleyways and very difficult to fight in that area. there is the risk there could be civilian casualties, because it is so densely populated. >> ian lee following development frs cairo. thank you, ian. >> joining me now to help explain this is retired lieutenant rick francona. rick, good to see you. the reports are certainly

disturbing if it is possible that as many as 200 civilians could have been killed in one or more air strikes in mossle. wasn't this part of the initial concern when the operation began, to try to evict isis from this densely populated city? isn't that one of the major challenges the u.s. and iraqi forces had? how do you push a militant group out of a place with tens of thousands of civilian residents? >> we knew this was going to be a problem as they were bottled up into the densely populated area. any use of air or artillery was going to cause civilian casualties. the objective is to minimize the risk. when you are dropping high explosives into a very compact area, this is what happens. the problem is, knowing what's

underneath where you are striking. it is an infetelligence, fast-moving problem. when the targets pop up, an iraqi unit calls for air support, if the target is a validated target, it meets all of the requirements, the americans will strike that target. i think that's what has happened. is there a systemic problem in how we are calling these air strikes? >> rick, there seems to be some difference of opinion at least or in in the facts in the reporting about which days there may have been air strikes carried out that could have resulted in civilian deaths. can you make sense of how many of these incident that is could have taken place that could have led to such a potentially high number of civilians killed? there are so many that happened in a short period of time. when bullets are flying and

bombs are dropping and people are moving and shots are being fired, a lot of the paperwork and record-keeping isn't up to date. it takes time to get all that correctly. these investigations will sort this out. it is a painstaking progress and also very pain stake tog figure out what happened when you don't have people really on the ground. we can't get into some of these areas yet. >> let's get back to the battlefield itself in mosul. where does the fight now stand in this bloody and deadly effort to try to up root isis. >> they are being pushed from all sides and being contacted into this tiny area. that's why you see such vicious fighting. they are going to have to surrender or die. most have chosen to die. they are going to have to take

as many civilians with them as possible. let's just take a break and see what happens. the only problem with taking a break is, we know what's going to happen. isis is going to rearm, regroup and reposition their forces. i think the iraqis are trying to do the right thing by taking a pause, calm down and re-assess our procedures and stop as many casualties as we can. they have asked is that all operations cease until we can gare an toe the security of the civil y civilian population. that's just impossible in this fast-moving, very densely populated area. retired lieutenant colonel rick francona, thank you for your insight. >> good to be with you. we turn to u.s. politics. the trump administration says it has not given up on repealing obama care despite an embarrassing loss. u.s. vice-president, mike pence, says the issue will be fought

again when conditions in congress are more favorable. >> the president and i are grateful for speaker paul ryan and all the house republicans who stood with us in this effort to begin the end of obama care. as we all learned yesterday, congress just wasn't ready. you saw it. with 100% of house democrats and a handful of republicans actually standing in the way of president trump's plan to repeal and replace obamacare. >> the white house is indicating that tax reform will come next. what lessons were learned by the failure of the repeal thaefrt can be applied to any future legislative effort? going forward, we can expect to see the white house get more engaged on the front when it comes to legislation, shaping the language and strategy and

how the president's own sales pitch might shift. they said the president was all in on this bill. he took this personally. he was very involved in face to face meetings with the republican caucus and phone calls from early in the morning until late at night. if you talk to members of the republican caucus, they indicate some of the president's sales tactics might be a bit lacking. they say he didn't offer a strong enough rational for why members should vote yes other than a political one, the idea of giving him a legislative victory in his first 100 days. even more important, many members got the sense that the president did not have a good grasp of the details of the details. some wanted to talk to him about specific concerns about specific policies. he wasn't able to address those.

dana bash tells her that two sources told her during a freedom caucus meeting on thursday night, the conservative wing of the house, the house caucus, one of the members brought up a concern about one of the policy areas. the president said, forget about the little stuff. he didn't say stuff. he used another four-letter word that starts with an "s." one congressman told the president that he was a no and the president replied, why am i even talking to you? a congressional aid, a gop aid tells jim acosta, the president didn't care or know about health care and if you are going to be a great negotiator, you have to know about the subject matter. they say he might need to work on his deal-making skills when

it comes to dealing with capitol hill. >> we will bring you more analysis on what it may mean for the trump administration. prodemocracy activists are protesting the election of the new leader of hong kong. why some say the vote was more after a selection than an election. >> also ahead here, the treaty of rome turns 60. how rally--goegoers reacted to eu milestone. jurks

welcome back. an election committee has selected cary lamb as the new leader in hong kong. she defeated a candidate who has more popular support. the first woman to be selected as hong kong's chief executive. she addressed some of the concerns that are leading prodemocracy activists to protest her election. >> hong kong, our home, is suffering from quite a serious divisiveness, and has accumulated a lot of frustrations. my priority will be to heal the divide and to ease the

frustrations and to unite our society to move forward. >> now, our christie lou stout joins us from another side of hong kong. good to see you, chris still. this is historic because this is the first time that the city will be run by a woman. you have critics that are attacking this elections credibility and legitimacy. what is fueling that frustration? >> reporter: absolutely. the announcement was made at hong kong election headquarters. carrie lamb is the first leader in hong kong. there were a lot of cheers and according to the public opinion polls, she is not the people's choice. she won an election involving 1200 members of an election

committee. she received 777 votes. this election committee is said to be made up of people in hong kong who are broadly representative of the territory but it is really pro-business, pro-beijing interest. so chapginging this system was key demand. the 2014 pro-democracy. that, in the end was not granted. earlier today, as the ballots were being cost and as the ballots were being counted, a number of the pro-democracy umbrella movement figures we were right outside and protesting saying they are waiting for true universal sufferage. one of the key challenges ahead, dealing with growing demands that are still there for one person, one vote, the rich/poor divide in hong kong and the rise of beijing. when the announcement was made here in this election hall, it was a very compelling tab low. you have the new hong kong chief

executive carrie lam, standing on the stage of the bohemian man people's republic of china and the hong kong and the pro-democracy leader unfurling a yellow banner and the yellow umbrella asking for universal sufferage. >> 777 votes electing an new official out of a city with a population of around 7 million. i can see where some of the criticism would come from. tell us more about carrie lam, who used to be the number two in the city's administration. >> reporter: carrie lam is a devout catholic, a life-long bureau cat, the former chief bureaucrat and the loyal secretary to the deeply popular executive c.y. long. she is seen to be a continuation of his policy. her nickname has turned into

c.y. 2.0. john zang, her rival, was seen to be more popular and she seems to be out of touch with the main p populous here in hong kong. they see her as a pragmatist and a safe pair of hands to steer the territory forward. >> that's christie lou stout live from hong kong on the appointment of a new chief executive for the city. thank you. investigators do not see a direct isis hand in wednesday's attack outside parliament. a british counter terrorism official tells cnn no evidence has emerged to show khalid mehsud was communicating with the terrorist group. they have released all but one of the people that was arrested. the las vegas strip has now completely reopened after police say a man shot two people killing one of them. the suspect surrendered after a

long standoff on saturday. the shooting happening on a public transportation bus near the cosmopolitan hotel on the strip. our rachel crane has more. >> after a very tense few hours, the suspect is now in custody. law enforcement officials say they were able to get him off that bus that he was barricaded on without firing any shots and that the suspect cooperated with police. now, the strip has reopened to pedestrian traffic and vehicular traffic after being closed for several hours during this incident. we do know, however, that one person lost their life. another person injured. now, of course, in light of recent terrorist attacks in europe, people called into question if this was terror-related. it was not terror-related nor related to an earlier incident that occurred at the bellagio hotel. three men robbed the jewelry store and one wearing a pig mask. no shots were fired, nobody

injured. after a very tense few hours in las vegas, things are finally starting to get back to normal. >> happy birthday to you. >> those are pro eu demonstrators celebrating 60 years since the signing of the treat of rome. it led to the creation of the eu. unity rallies in other major cities took place across europe saturday, days before britain is expected to start the formal process of leaving the block. anti-eu rallies also took place. our contributor, barbie net toe, was there and filed this report. >> reporter: there were six separate demonstrations in rome, british people, scottish people,

lamenting the fact they were leaving the european union. there were europeans lamenting the fact that there ace european union. there were migrants and refugees demonstrating against closed boreds and a far right demonstrating against migrants and refugees. we don't have the exact number. the security force have been in force all year long trying to keep order as the day goes on. >> chances of severe weather continue across the central u.s., definitely coming to australia. >> we have a lot of rough weather across the globe. we will start in the united states where we have had a multi-day severe weather event unfold. take a look at damage coming out of marshall, texas. trees snapped, mobile homes shifted. this is going to take some time to clean up. fortunately, there were no

injuries coming from this round of severe weather. this occurred on friday evening. they confirmed it was an ef-tornado with winds in excess of 110 miles per hour. let's find out what the rest of the weekend has in store for the central u.s. it is going to be stormy once again. it is all thanks to a few different storm systems moving across the central u.s. one still churning across the great lakes at the moment. that will bring a chance of severe weather to parts of ohio and into west virginia. another system where the cold front is marching across the plane statplain states. starting to look into tornado alley. that's where we are going to focus our attention. here is the rainfall moving across chicago, grand rapids, indianapolis, even where the cnn world headquarters is located in

atlanta, georgia. rain showers have moved through. that's really not our concern. it's really looking a little further to the west as the storm system continues to rotate. damaging winds, large hail, isolated tornadoes. we have an enhanced region of severe weather chances. that shifts eastward for the day on monday. look out, nashville, into lexington. let's take you to the other side of the world. this is australia where they are bracing for a strong cyclone to impact coastal queensland that. is expected to intensify to a category 4 on the bureau of meteorologist out of australia's tropical cyclone scale. that is equivalent to a strong category 3 here for the atlantic safire simpson scale. there are coastal evacuations in place. take a look at some of the footage coming out of australia and some people preparing for

tropic tropical cyclone debbie's landfall. if you have friends or family in coastal queensland, they need to be preparing themselves for the strongest storm to hit that region in over five years. >> thank you. back to ivan. let's bring you up now to date on some breaking news coming out of the u.s. state of ohio. a shooting at a nightclub. police in cincinnati say at least 14 people have been shot, at least one person is dead. this happened at the cameo nightclub. so far that is all the information police are releasing. we'll bring you more as soon as we get it. president trump vows to overturn obamacare in the future. one congressman tells the president he should talk with

health ca healthcare experts before doing anything. a los angeles reporter tells us what she saw in mosul as the u.s. investigates iraqi civilians may have been killed in coalition air strikes. more about it straight ahead.

welcome back to our viewers here in the united states and around the world. you are watching "cnn newsroom." i'm ivan watson broadcasting live from hong kong. >> nice to be with you, ivan. i'm natalie allen from atlanta. an election committee has selected carrie lam as hong kong's new leader. she is seen as beijing's choice for the job and defeated the candidate with more popular

support. she is the first woman to be selected as hong kong's chief executive. in london, police have released all but one of the people in connection with wednesday's attack outside parliament. cnn has been told british investigators do not see a direct link between the attacker and isis. the terror group has claimed responsibility for the attack. thousands of marchers took to the streets of london protesting the uk's exit from the european union. theresa may will trigger the exit process on wednesday. the unite for europe march coincided with events to mark 60 years since the signing of the eu's founding agreement called the treaty of rome. >> we are following a breaking story in cincinnati, ohio. a deadly shooting at a nightclub. police there say at least 14 people have been shot and at least one person is dead. this happened at the cameo

nightclub. so far, that is all the information police are releasing. we will, of course, bring you more as soon as we get it. >> we turn now to more on the investigation into deadly air strikes in iraq's second largest city, the u.s. and iraq's defense ministry are looking into weather coalition air strikes in western mosul this month killed iraqi civilians, including women and children. the pentagon confirms one raid, march 17th, targeted isis fighters in the area but local civil defense officials say as many as 200 civilians may also have died. "los angeles times" reporter, molly hennessy fisk was there and sfoek wipoke about what she. >> reporter: there were some areas where homes were completely destroyed. we had to pick our way through. we could see parts of people still stuck under the rubble and

there were some remains wrapped in blankets. most of them that they had retrieved, they put in body bags, in these blue body bags and they up zipped some to show us some of the victims were women, including at least one pregnant woman and children. there were some babies as well. >> how many people do they believe were killed on that occasion? well, those numbers varied. the civil defense people we talked to said they thought it was about 200. they had retrieved more than 100 remains. myself and a photographer from the "l.a. times" roamed around and saw about 50. there were other photographers that saw about the same number of remains. it was a very crowded street. a lot of families with children

and that islamic state militants had forced more into the area. they had been sheltering inside the homes when the incident happened. moving on to the u.s., where the trump administration says it has not given up on trying to repeal obamacare and will return to the issue in the future. when it does, it may wish to consult with health care experts in congress before attempting to draft new legislation. take a listen to what one democratic congresswoman told our anna cabrera. >> i have worked on health care for 30 years. i was clear about how complicated it is and how much work it is going to take to get it right across the country. >> did the president or speaker ryan reach out to you specifically to ask you what your thoughts were on their immigration bill -- excuse me, their health care bill?

>> no. i had no contact from any of my republican colleagues or my republican colleague that represents the southern part of the state and give than we are a medicaid expansion state and stood to lose so much that it would have financially devastated the state. more than $11 billion in health care revenue over a ten-year period. all of our rural hospitals were at risk of closing and all of our community providers. we already have a behavioral health system in collapse because we have a governor that took that flexibility they were proposal more of in the republican health care bill that you don't have to pay for behavioral health services and addiction services. we know unequivocally how terrible and devastating that would be. no one reached out to me. >> as republicans and democrats spar over the efforts to replace

health care, lawmakers are having to face voters. lindsey graham held a spirited town hall. he had to defend his position on health care and russia. our paul lo sandoval has more. >> reporter: senator graham listened and at one point fired back against the chrritics. there was one point where a woman in the front row accused them of obstructing the investigation between these possible ties between the trump organization and russia. the lawmaker from south carolina, putting it lightly, disagreed? >> that's a bunch of garbage when it comes to me. i don't think i have obstructed anything. i have been more than on the case when it comes to russia. i have stood up for the idea i'm not going to sit on the sidelines and let the russians try to undermine our democracy.

so i don't agree with it. >> the topic of russia dominated the conversation as did the affordable health care act. many of the people in the crowd did sfoert thupport this idea o to modify obamacare. many of them were happy of the fact that it will remain in place for now. the concern is that republicans have not offered up another solution that would have that bipartisan support. the senator making it very clear that this may not be brought up again any time soon. the next issue he would like to see taken up in washington is tax reform. polo sandoval, cnn, columbia, south carolina. republicans often complained that obamacare was rammed through congress without regard to their views. that is not quite accurate according to avic roy. listen to what he told our

annika cabrera. >> it was actually paul ryan who wasn't used to this. it was pretty sham bolic. >> so you believe it was ryan's fault? >> if you look back to how nancy pelosi looked back, they took a year to have a lot of hearings and invited a lot of republicans, like paul ryan to chip in with their views as to how this plan should develop. senate democrats engaged with republicans even though democrats controlled 59 and ultimately 60 seats in the senate. you compare that to this process. a bill drops on a monday evening and republicans are expected within 16 days, 16 days, to decide whether they like this bill or not, receive threats from the president that they are being disloyal if they don't like it, a bill that's going to affect one-sixth of the economy

and cut about $1 trillion in spending that. goes to paul ryan, because he didn't develop the consensus and try to afford an agreement. he could have. the house freedom caucus and the moderates were coming together on bwhat a compromise could loo like. the president and paul ryan decided to pull the plug. they were sick of it. they want to go to tax reform. here we are. >> let's talk more about that. sylvia berrelli is a reporter for politico. do you agree that this failed attempt to repeal and replace obamacare is on the shoulders of speaker ryan thand the process was so was some kind of a mess? >> the process was definitely a mess. i'm not sure that it is only paul ryan's fault. a lot of people were saying obama wasn't engaged enough pointing to his son-in-law being in aspen whether the bill being

negotiated and trump being distracted with other issues. we know that healthcare really isn't the president's thing and i was being told he was furious at the white house staff for not briefing him properly on the bill. i was furious as the freedom caucus for moving the post too far and putting him in the situation where he was going to risk alienating the moderates if he pushed it forward. i think it is on the republican party entirely. who exactly, it's hard to tell. of course, trump trusted ryan to prioritize the health care bill over things he was most interested in, infrastructure spending or the tax reform. it is a bit unfair to say it is only on ryan, because the president could have engaged more and more work could have been done on this. it is a big blow for the republicans sxwchlt the

republicans. >> donald trump told "the new york times" that real estate is easier than deals within washington and the white house. it is not easy when you have so many different interests there representing so many people across the country. so what might he have learned from this first fore into legislation in getting something so big fast. >> as you said, he is used to striking business deals. on the other side, you have people that want to close the deal. they want you to lobby them into saying yes. the freedom caucus probably didn't want this to pass from the beginning. they have a very close electorate and very far right one to whom probably this bill wasn't okay all together. so now trump is in the situation where he realizes that he has to please the freedom caucus on one hand but has to rely on the majority of the moderates on the

other hand. so it is much harder than what he thought. he presented himself during the campaign as a deal maker, a master negotiator. we have a dealmaker that isn't able to strike any deals. this was the first big legislative bill he was to pass to move on to things that interested him more. as usual, he looks for scapegoats and i think from this experience he has learned that he has froblprobably got to eng more, in a completely different way, because politics isn't business. >> he has to somehow unite his party. what about work with the democrats, fat chance on that or possibility? >> well, on the health care bill, i don't think so. although he blamed the democrats for sinking this one. we know at this stage, this bill specifically, the democrats weren't involved at all. there were no conversations as you were saying before between the republicans and the democrats or the white house on

this specific bill. going forward, he probably will have to engage but we know the tax reform is another item on the agenda. it depends on how much consensus he can rally around his propositions and how commercial they are. we know thus far, what he has done, for example, the travel ban was passed as an executive order. that had no chance of being discussed or agreed with democrats on the other side. the health care bill is another example of things that he can't get the democrats to agree on. it depends what he wants to push forward next. >> saying you are going to do something on the campaign trail is quite different from actually getting it done in washington. so we'll wait and see what happens next. sylvia berrelli, thank you so much for joining us z. >> coming up after the break, the u.s. crackdown on undocumented immigrants may have unintended consequences. the crimes police and rights

groups say are not reported, that's coming up just ahead.

welcome back. we want to bring you up to date on a breaking story. a shooting at a nightclub, at least 15 have been shot and at least one person is dead. this mapped at the cameo nightclub. so far, that is all the information police are releasing and we will bring you more as soon as we get it. moving on now to africa where health workers are prepare tog vaccinate more than 100 million children against polio across the western and central parts of the continent. it is part of a drive by the world health organization to contain an outbreak of the disease in conflict-hit northeast nigeria. >> these vaccination campaigns

are one of the largest synchronized campaigns in history. a total of 190,000 vax nay toccs will be finding outgoing door to door to vaccinate every under five child. we need to synchronize all vaccinate all the children and we can end polio for good in africa. >> at the white house pursues its crackdown on illegal immigration, undocumented immigrants may be reporting fewer crimes. the l.a. police chief said they are reporting fewer incidents of rapes and spousal abuse. the fear of deportation keeps victims silent. >> reporter: this undocumented mexican immigrant, the mother of four, says she was a victim of domestic violence for 12 years. she says in addition to faring

h fearing her husband, she was in fear of being deported. >> my husband would always tell me he was going to call immigration authorities and they would take my children away. >> reporter: cracking down on illegal immigration was one of president trump's main campaign promises. >> we put in place the first steps in our immigration plan ordering the immediate construction of the border wall, putting an toned catch and release. >> reporter: human rights activists say the president's immigration policies are having an unintended effect. domestic violence victims are now afraid to go to police. >> translator: domestic violence victims are calling us and letting us know what is happen tog them but don't want to call the police or go to court. >> reporter: immigration authorities carried out what they called routine raids throughout the country detaining hundreds of undocumented

immigrants. >> the disgraceful new raids targeting immigrant families are deeply upsetting and designed to spread fear. >> reporter: they say many immigrants who are abused don't know they can receive legal help and support regardless of their legal status on the violence of immigration act. they also offer the u visa for victims of physical abuse that are willing to cooperate with the police. the u visa was the answer for this woman. >> it gave me hope she said that i will not be separated from my children. the message is not getting through to victims, they say. perpetrators of domestic violence, they fear, are now more likely to go unpunished. rafael romo, cnn. our final story of this hour, right after this.

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date on our breaking news story out of the u.s. state of ohio. at least one person is dead and 15 wounded at a mass shooting in a nightclub. several of the victims are in surgery with life-threatening injuries. the club has been identified as cameo, on the city's east side. police say they do not have any suspects at this time. but they are interviewing witnesses and we will keep you updated as details become available. now, to hollywood, saying we shouldn't be here so soon in our lives. comedian and actor, dan akroyd, paid tribute to carrie fisher and debbie reynolds. akroyd was among 1,000 friends and family and fans at a public memorial. the hollywood screen legends died within ady of each other last december. a tribute near there burial site featured singing, dancing, and a cameo by stair wars character put together by todd fisher, reynolds son and carrie's

brother. >> this entire thing i'm calling a show, not a memorial, because my mother didn't like memorials or funerals. she liked shows and parties. she also loved her people. you are all her people, not just her close friends but her extended family, her fans. >> finally, earth hour was on saturday and here are some of the cities that took part. the lights went out in moscow, one of the place that is turned out lights on major landmarks. in paris, the eiffel tower plunged into darkness. it is all to call attention to global warming. people in businesses also dimmed their lights for an hour at 8:30 saturday night local time. in manila, star wars nance gfan creative and held light sabre duels to mark the 10th

anniversary started ten years ago by the world life fund. >> i'm natalie allen. >> i'm a van watson. i will be back with another hour of news right after the break. you are with cnn, the world's news leader. hey allergy muddlers are you one sneeze away from being voted out of the carpool? try zyrtec® zyrtec® starts working hard at hour one and works twice as hard when you take it again the next day. stick with zyrtec®. muddle no more®. try rhinocort® allergy spray for powerful nasal allergy relief. today we're gonna -hi. be comparing the roll-formed steel bed of the chevy silverado to the aluminum bed of this competitor's truck. awesome. let's see how the aluminum bed of this truck held up. wooooow!! -holy moly. that's a good size puncture. you hear 'aluminum' now you're gonna go 'ew'. let's check out the silverado steel bed.

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allegations of civilian casualties. they are investigating whether civilians were killed in air strikes in western mosul last week. hong kong's new chief executive makes history and promise toss heal her divided city. live from hong kong, welcome to our viewers in