welcome to bbc news, i'm rich preston. our top stories. president biden meets ukrainian refugees in poland, before delivering a stark warning to russia's vladimir putin. don't even think about going on one single inch of nato territory. as the president prepared to speak, russian missiles hit a fuel depot in the western ukrainian city of lviv, close to the polish border. as fears grow of hidden spies and saboteurs within ukraine itself, we have a special report from the city of odessa. is china moving away from its zero—covid strategy — shanghai records more than 2,000 new cases in a day, but is not going into full lockdown. tributes from across the music industry

for taylor hawkins, the drummer with foo fighters, who's died at the age of 50. and prince william and kate mark the end of their week—long tour of the caribbean, with the prince saying he's learnt a lot from the people he's met. the western ukrainian city of lviv has been largely untouched by the fighting in the country — until saturday. the war arrived with russian missiles striking close to the city centre, hitting an oil storage depot. lviv is not far from the border with poland, where us presidentjoe biden delivered a major speech, saying the russian leader vladimir putin "cannot remain in power." mr biden said the battle between democracy and dictatorship is "the fight of our generation" and warned mr putin not

to even think of attacking an "inch of nato territory". our first report is from our north america editor, sarah smith, who is travelling with the president. this is notjust ceremony as the presidents of the us and poland marched in step together, but a declaration of intent that america would do everything it takes to defend poland from what they see as a great threat from russia. visiting some of the more than two million refugees that have fled from ukraine into poland, he praised the bravery and announced that vladimir putin as a butcher. we are dealing every day vladimir putin. look at what he has done to these people. what does that make you think? he is a butcher. tonight thousands gathered to hear an impassioned speech in which biden warned putin... do not even think about moving on one inch of nato territory.

we have a sacred obligation under article five to defend each and every inch of nato territory. with the full force of our collective power. he said talks with russia before the invasion failed because putin was bent on violence from the start. rather than breaking ukraine to resolve these tactics have strengthened the resolve and the west is now stronger and more united than ever. russia wanted less of a nato presence on its border but now he has a stronger presence, a larger presence of over 100,000 american troops along with all the other members of nato. he also spoke directly to the russian people saying they are not the enemy. this war is not worthy of you, the russian people. putin can and must

end this war. the american people stand with you and the brave citizens of ukraine who want peace. the speech ended with an unscripted remark that sounded like a call for putin to be removed. for god's sake, this man cannot remain in power. the white house clarified, he was not talking about regime change but that putin cannot be allowed to exercise power over his neighbours. president biden said the war in ukraine is the test of our generation. as he warned the west that they must commit to the fight for the long haul saying it will not be easy and there will be a cost, but he declared, ukraine will never be a victory for russia. more now on that russian attack in lviv. several explosions rocked the city, with air sirens ringing out and people told to head to the shelters. russian missiles hit a fuel storage depot, injuring five people. lucy williamson has been to the scene.

ukraine's city of refuge has been waiting for one arrival. today, it came. missiles puncturing lviv�*s sense of safety. explosions emptying its streets. among the infrastructure targeted, this fuel storage depot where five people were injured. marianna heard the explosions from the bomb shelter where she was hiding. "how do we defend ourselves," she demanded. "we had a life before the war started, and now it's not a life, we are just existing." there have been strikes on military targets in this region before, but something changed here today. the sites this time were within the city of lviv itself. the fuel depot less than two miles from the city centre, surrounded by cafes and residential homes. this conflict has been creeping closer to lviv for weeks now. the targets are still military and strategic sites. but this one is right

in the centre of lviv. max heard the explosions from his home in the hills that divide lviv. i lived in the most peaceful city of ukraine. we had some plans for life, to travel, to buy some flat, to have a child. and i don't know when my life might be normal again. location has always been lviv�*s mantra of protection. too far west to really matter in this war. its role instead, to offer sanctuary and refuge. many here tonight are still clinging to that thought. lucy williamson, bbc news, lviv. while the focus of russia s invasion of ukraine has been on the frontline fighting and russian bombardments, ukrainians are also worrying about another threat — russian spies

and saboteurs, trying to weaken the country from the inside. a month into the war, fear and suspicion loom large, as andrew harding reports from the southern city of odessa. siren wails. night fall in 0desa. the wail of an air raid siren. and in thousands of homes here, the dread. notjust of russian bombs, but of russian saboteurs. maybe even next door. a few nights ago, the police came to bogdan milko�*s small apartment. his neighbours had reported seeing a flashing red light. maybe a signal to russian aircraft. "it was my neighbours," he says. "they are scared about security. "i had to go to the police station and explain that i'm just a normal guy, i'm not trying to help the russians." as we leave his apartment, a crowd suddenly gathers

around us in the dark, demanding to see our documents. "we have children," she says. "we don't want a bomb dropping here." well, that gives you a flavour of the fears here in 0desa. people really very suspicious of us, of anybody out of the ordinary. a woman there saying, "who knows who you were, you could have been russians." and those fears are being fuelled by footage like this. of ukrainian police arresting alleged saboteurs. groups sent to plant weapons, or identify targets. this is not paranoia, says captain vladimir karina, there are russian agents and citizens of ukraine working against us. that's a fact. they are trying to distract us, to make us pay attention to the wrong places. the result is a constant wariness, a nation looking over its shoulder. hunting for signs. like this recent footage

of shells fired from russian ships landing just off 0desa. locals patrolling the shore believe the enemy has been getting directions. it was on the roof of this building. a big light, shining out to sea? shining, yes. a suspicious light. and you think that was a signal for the russians? yes, i think it was a signal for the russians. some kind of signal. and now it's almost curfew time again. the streets empty. and as in every war, fear stoking suspicion, prompting vigilance. andrew harding, bbc news, 0desa. there's been a concerted humanitarian effort being done by charities on the borders of ukraine. several celebrities have used their voices or profiles and either spoken out against the war or got involved on the ground, including sean penn, ashton kutcher, dua lipa and ukrainian natives milla jovovich and mila kunis.

multi—award winning actor, director and writer armand assante has long been associated with humanitarian work. and the foundation he co—launched, help children now, is doing all it can for refugees arriving in poland. armand joins us now from new york. thank from new york. you very much will be in with thank you very much will be in with art. you have been going back and forth to russia for many years, how did your relationship begin? {jut many years, how did your relationship begin? out of curiosity _ relationship begin? out of curiosity actually, - relationship begin? out of curiosity actually, but - relationship begin? out of curiosity actually, but i . relationship begin? out ofl curiosity actually, but i was always studying about the cold war, and i travelled all over the russian federation, i have worked in almost every country in the russian federation. i have been blessed to work with some phenomenal directors and writers for many years, i have done two documentaries, one on kazakhstan and its history,

which actually has become more relevant now. what's happening now, i'm very sad to say, is a repetition that has played out so many times in the russian federation. unfortunately, we are seeing almost a rebirth of something out of world war ii. if you recall what happened when they starved people to death, it's inevitable if this continues the way it is, a very severe crisis... in terms of the charity... severe crisis... in terms of the charity- - -_ severe crisis... in terms of the charity... tell us about our the charity... tell us about your humanitarian - the charity. .. tell us about your humanitarian work- the charity... tell us about your humanitarian work in | the charity... tell us about i your humanitarian work in the region. i your humanitarian work in the reuion. , ., your humanitarian work in the reuion. , . ., , your humanitarian work in the reuion. ., ,, ., , region. i started many years auo in region. i started many years ago in new— region. i started many years ago in new york, _ region. i started many years ago in new york, i - region. i started many years ago in new york, i was - region. i started many years ago in new york, i was very| ago in new york, i was very involved in the idea of de mining, in croatia, which was severely afflicted territory.

the idea was travelling all over that area as well... very successful music clubs, three in ukraine, one in 0desa, one in ukraine, one in 0desa, one in kyiv, and one possibly in kharkiv in the north. we started the charity years ago. we can't devote our lives to it, but i was very proud of him... inaudible. we are going to drive to the ukrainian border to cook for people. it's phenomenal. i'm very proud. if i didn't have the crazy work obligations right now, i would go over there and cook with him. i'm not a charity person in the sense that i'm not going to

talk about things. i work for the homeless, and you can only be charitable through action. if you can afford to give money to people, that is phenomenal. but i really think charities are affected by hands—on action, and i have done that all my life. i would rather be involved in the issue itself than talk about it. i don't know if i call myself an activist but i like to have my feet on the ground, understanding what's happening. i think a lot of things people are confused by, because they may not be feet on the ground and that is what this is about. how has the war in ukraine affected the movie industry? i have to say, there's a tremendous tragic situation that's happening. the cross colonisation and dialogue between russia, ukraine, all over the russian federation, new york, los angeles, has been

fantastic. —— the cross pollination and dialogue. 0ur pollination and dialogue. our friends in russia and ukraine, and all over the federation, and all over the federation, and what is sad for all of us is they have been silenced... even as something as small and, you would think, not significant... but to me, the idea of instagram and facebook, people can check in with each other all the time. i read two accounts from two women in russia... they wrote notes before everything shut down. these two women expressed to the world at large, especially to people in the us, listening to people in the us, listening to them, sharing their thoughts and dreams, their nightmares, their opinions... the gratitude

was overwhelming, so moving. and i think that's the way we all feel, something that has been torn asunder. something very unreal. i think pertaining to sanctions, sanctioning the media in russia is sanctioning the people. they have had that continually. i have been several times in ukraine, i have journalist friends who told me all the time that ukrainian journalists were killed at an abnormal rate. we have to leave _ killed at an abnormal rate. we have to leave it there, but we are very grateful to you joining us, thank you very much. you are watching bbc news. the main headline. president biden meets ukrainian refugees in poland, before delivering a stark warning to russia's vladimir putin.

0nto other news now, and authorities in shanghai say the city is too important to the national and world economy to go into full covid lockdown. the statement suggests china may be ready to abandon its zero—covid strategy, despite a rising number of infections. shanghai recorded more than 2,000 new cases on saturday. china has repeatedly locked down entire towns and cities following the discovery ofjust a few infections. but in shanghai, officials are closing down only affected neighbourhoods and relying on self—testing. to give us his thoughts on this development, i'm joined now by dr xi chen, an expert in health policy at yale university. is this a sign that china is getting rid of the zero coded strategy? —— zero covid strategy? -- zero covid strategy?— strategy? clearly it is becoming _ strategy? clearly it is becoming less - strategy? clearly it is becoming less lethal| strategy? clearly it is - becoming less lethal now, people clearly have strong dave

petit in the fight against covid, so as the virus has spread to most of china... in my view, the current outbreak will not fundamentally change the dynamic. china will most likely adjust the stringency of the policy in certain metropolitan, and to have universal testing and perhaps... to eventually get the transmission under control. clearly this will be an uphill battle, especially for understaffed health facilities located in those underdeveloped areas in china. it will take more time this time to get the virus under control and will incur more social costs, for sure. china has to buy time to optimise the vaccination

strategy and better prepared. you mentioned the fatigue in china with their zero covid policy. are people ready to move forward with more of a living with covid strategy? yeah, the general public, the health officials, i don't think they have psychologically prepared for a major shift. the return from the heavy—handed zero covid policy to living with the virus is a salient shift for public health, the official message, and the public health education to learn from the success and failures of other countries, then to learn how to incorporate that into china. but i don't think this is well prepared, because in the past two years you have seen in the chinese media lots of news about health crises outside china. a lot of the general

public believe there should be zero casualty and very little transmission, but this may not be realistic in the long—term. doctor, thank you. colombian investigators say the foo fighters drummer taylor hawkins had taken numerous drugs before his death on friday. a toxicology report showed traces of ten substances in his body, including cannabis, anti—depressants and opioids. here's mark savage, and a warning that his report contains flashing images. # foo fighters — times like these. muscular but melodic, taylor hawkins was the pulse of foo fighters' music. # the best, the best, the best of you... # when hejoined foo fighters in 1997, he was their third drummer. but his connection with dave grohl was instantaneous.

he's an amazing drummer. we have a mutual respect for each other. it's awesome, you know. born in texas but raised in california, hawkins fell in love with the drums the first time he sat behind a kit in his neighbour's garage at the age of ten. i took to it immediately. that day, there was a lightning bolt shot into me, and it was like... i was like, i'm a drummer, that's what i'm going to do. he came to prominence playing with alanis morissette, before volunteering his services to foo fighters. he would often interrupt concerts to perform covers of his favourite band queen. foo fighters had been due to play a festival in colombia at the time of his death.

0rganisers lay candles on the stage and foo fighters posted a short statement online saying his musical spirit and infectious laughter will live on with all of us for ever. without that energetic and charismatic playing, the band will never be the same. taylor hawkins, who's died at the age, of 50. the duke and duchess of cambridge have been reflecting on their time in the caribbean, after a week long tour marked by calls for independence from the queen. prince william said he had "thoroughly enjoyed" spending time in belize, jamaica and the bahamas, but he acknowledged that questions about the future governance of the islands were for "the people to decide upon." here's our royal correspondent, jonny dymond. 0n the final day of the tour, a chance to see the damage

wrought by hurricane dorian, two and a half years ago. the couple toured a church that was badly damaged in a community still pulling itself together. we dedicate this plaque and this wall to their memory. it was a chance to remember those who lost their lives. a moment of solemnity. the couple's time here was warmly appreciated. just down the road... ..a change of gear, change of mood. a traditionalfish fry and a culinary adventure for the duchess. applause. then, into the crowd, enjoying the time away from the formalities of the tour. prince william says this tour has brought into sharper focus questions about the past and the future. he says he has learnt a lot

and he says he is committed to serving and supporting the people of this region in whatever way they think is best. the strong suggestion as he leaves is that he is fine with the countries he has been visiting ending their link with the crown. jonny dymond, bbc news, the bahamas. 0ur reporter mark lobel is here. tell us more about this comment that prince william made. it’s that prince william made. it's a frank that prince william made. it�*s a frank assessment. even before he debriefed the queen, who we know pleasure is the commonwealth a lot, and if we show you what he actually said...

let me give you three thoughts from royal watchers. first, this is a mature statement of soft royal power. it's a future style of a future king that he is showing us, a sympathetic style. as he put it to one reception in the bahamas, relationships evolve, he said, but when chipped in years. that is setting out his stall for the future. —— but friendship endures. this is a huge club of 2.5 billion people, and there are many advantages of being inside it. you get to lobby donors and resolve disputes as part of that club. we have a head of government meeting in luanda injune, the luanda in june, the commonwealth luanda injune, the commonwealth games injuly. a lot of benefits on display. and

thirdly, he is prepared to be candid and break with royal protocol. this comes at the time of an eight—day tour received with some criticism, but this is most certainly a humble ending.— humble ending. and 'ust briefl , humble ending. and 'ust briefly. ti humble ending. and just briefly, if you ups and i humble ending. and just - briefly, if you ups and downs on the trip, how has it been received generally?- received generally? that's ri . ht, received generally? that's riaht, a received generally? that's right, a couple _ received generally? that's right, a couple of- received generally? that's right, a couple of photo i right, a couple of photo incidents that haven't shown the royal couple in a good light. a lot of examination as to whether they were fair photographs taken and the circumstances in which the decision to hold those photo shoots, such as in a land rover replicating the queen and duke of edinburgh previously, or touching fingers of children stretching through a fence in jamaica after raheem sterling had done a similar thing. things that people have got two views on. that's it for now. you can reach me on twitter — i'm @richpreston.

hello there. for most of us, saturday brought much in the way of sunshine. top temperature of 20.5 celsius was recorded in north—west wales in porthmadog. i want you to concentrate, though, on the skies in the east of england, where we had lots of sunshine and temperatures quite widely 17—19 degrees. big change on the way, though, for sunday afternoon. those temperatures are going to be a lot lower. now, the reason for that, is we are going to see an area of cloud that at the moment is in the north sea and that is set to swing inland as the winds of change direction to more of an easterly around our area of high pressure. now, there really will be just two types of weather around on sunday. it is going to be a cold start for many of us, a few patches of frost around.

you're either in the sunshine, which many of us will have, or this zone of thick low cloud, which could bring a few spots of morning drizzle, be a bit misty as well. perhaps tending to brighten up a little bit into the afternoon across parts of the south—east, but a slow process and there could be areas where the cloud lingers all day. lincolnshire, norfolk will be most prone, temperatures there could just get to around eight or nine, still in the best of the sunshine, it will be another warm day for most, with temperatures again reaching the high teens. there will be more of that dry weather, more sunshine to go around on monday as well, but, across the far north of scotland, in shetland, we are going to start to see the winds turn to a more northerly direction and some colder air will be edging in here. still, weather—wise for most parts of the uk, we are looking at fine, blue skies and much more in the way of sunshine. still mild for the time of year, but into the middle part of the week, we get these much colder northerly winds diving their way southwards, they are going to absolutely hammer the temperatures. that changeover really starting to take place on tuesday, there will be quite a bit of cloud around, the number of showers and that colder air

starting to make further inroads across the north of scotland. just six or seven for aberdeen and stornoway, still quite warm with temperatures into the high teens across parts of wales and south—west england. now, for wednesday, there will be some further showers around, temperatures continue to drop away and some of the showers turn wintry over the higher ground and then, look at this, wednesday night, into thursday, into friday morning, which is april fools' day, could see a spell of hill snow across the pennines and wales and to lower levels. we will be keeping a close eye on developments over the next few days.

this is bbc news. the headlines: joe biden has accused russian president vladimir putin of being a �*butcher�* in his treatment of ukrainians, saying he �*cannot remain in power�*. the us president was speaking in poland where he met ukrainian refugees. the white house said mr biden had not meant he was supporting regime change in russia. the western ukrainian city of lviv has come under heavy rocket fire. the regional governor said five missile strikes hit a fuel depot and an industrial plant. lviv's mayor said no one was killed but five people were injured. and there have been tributes for taylor hawkins — the drummer with the rock band, the foo fighters — who's died at the age of 50. officials in colombia say he used opiods, marijuana and anti—depressants before he died. his body was found in a hotel room in

the capital, bogota.