won four 0scars i thought this is the most historic moment in korea. aid agencies and the united nations are warning that up to six million people in yemen — a fifth of the entire population — are being denied desperately—needed aid because houthi rebels are stopping it getting through. the houthis, backed by iran, control much of the north and west of the country. they've been fighting the government — backed by saudi arabia, the us and the uk — for the past five years. 0ur chief international correspondent, lyse doucet, has been given rare access to yemen, and reports now from hajjah. a frontline of hunger. this is hajjah, yemen's north—west, lives broken by war and want of everything. at a un food hand—out, anger explodes. "hungry, hungry", this man shouts. and his friend says, "we don't have houses, we don't have anything". now, even this aid may be at risk. there's talk of a suspension or scaling back in response to unprecedented houthi obstruction. there are literally millions of people who need assistance across all of yemen who are not receiving this because of bureaucratic impediments, because the agreements that they need to reach with the authorities are not being signed because these agreements are being delayed. the impact on people is simply enormous. in the houthi—controlled north, aid workers told us of their frustrations and fears, too worried to speak on camera. 0ne shared these words. "there is now an extremely hostile environment for aid workers", they said. "more and more of our national staff are threatened, detained and harassed. "we face interference", they said, "in everything we do." this is one of many battle grounds, un warehouses. the houthi official in charge of aid in hajjah brought us here, to the place where the un says its food was looted. he wanted to show us this — cockroaches and tattered sacks, proof, he says, of un failings. we see this too. look at the date. good food, sitting here for months, says the un, without permits to deliver it. translation: we are not interfering in the distribution of the world food programme aid. they are just making excuses for their mistakes. blaming the government is not reasonable or acceptable. another warehouse, more goods waiting to clear. the houthi say they want more control over this aid, even a levy on aid budgets, red lines for humanitarians. in the midst of the world's worst humanitarian crisis, there's another growing and deeply worrying crisis, arguments over the very distribution of this life—saving aid that millions of yemenis rely on. if this isn't resolved soon, more lives could be lost. a treacherous mountain road, a truck tipped over, an angry scramble to salvage precious food. a week of tough choices about how to save the world's biggest humanitarian mission. lyse doucet, bbc news, hajjah. a team of medical experts from the world health organization has arrived in china to help investigate the coronavirus outbreak. the international and chinese medics will work together to try to answer the many unresolved questions about the epidemic — which has now killed more than a thousand people in china. celia hatton reports. china's president, the man at the pinnacle of the communist party making his first public appearance in days amid a national crisis. xi jinping told workers at this beijing health facility that he had confidence china would overcome the epidemic. but in a sign of the times, he took all the necessary precautions. "it's a special period", he said, "so i'd like not to shake hands." appearing on chinese state television, mr xi also addressed rising economic anxieties, promising the government would work to prevent large—scale lay—offs. that pledge comes as millions of people in china returned to work after the lunar new year break, which was extended from january 31 to curb the spread of the virus. but precautionary measures remain in place. work hours are staggered to prevent rush—hour crowds. several major cities including beijing and shanghai remain quiet as many factories and offices are still closed. translation: actually, i still think it's a normal life. it's fine as long as we pay a little attention to it. for example, disinfection and being careful not to have close contact with people. but masks are not enough to convince people to leave their homes. in this beijing shopping mall, temperatures are being checked at the entrance but there were few shoppers inside the stores. the world health organization has expressed concerns about the spread of the virus beyond china's borders, stressing their objective remains containment. in recent days we have seen some concerning instances of onward transmission from people with no travel history to china. the detection of this small number of cases could be the spark that becomes a biggerfire. however, the outbreak continues to affect those well beyond wuhan. more people have tested positive on a cruise ship quarantined off japan. the diamond princess ship is on a two—week quarantine off yokohama after a passenger tested positive for the virus. he'd left the ship earlier when it docked in hong kong. and in the uk, more people tested have also contracted the virus. that news comes as the government issued new powers in england to keep people in quarantine to stop the disease spreading. from beijing, confidence the illness will be contained but elsewhere realisations that the impact of this outbreak will continue to extend well beyond china. celia hatton, bbc news. let's get some of the day's other news. counting is now complete in the general election in the republic of ireland. sinn fein has become the second biggest party in the irish parliament with 37 seats, one behind fianna fail. fine gael, party of the current prime minister leo varadkar, came third. the numbers are so tight they will almost certainly mean lengthy negotiations to form a government. the turkish military is saying it's struck more than a hundred syrian government targets, in response to an attack on turkish troops in the syrian province of idlib, which killed five. the syrian army is attacking rebel and jihadist fighters there. president trump has published his election—year budget proposals. his $4.8 trillion wish list envisages big increases in military spending and deep cuts to social, health, and environmental programmes. the senior democrat, nancy pelosi, claimed the budget showed how little the president valued the wellbeing of hardworking american families. pete buttigieg and bernie sanders have both requested a partial review of results from the democratic party's caucus in iowa. the former mayor of south bend indiana narrowly beat senator sanders in a chaotic contest beset by technical problems, which delayed the result for days. the party is to review the requests to see if they meet the requirements. new hampshire is now in the spotlight as voters in the us state get ready for tuesday's primary on the heels of that chaotic caucus in iowa. president trump has been holding a rally in new hampshire, as the democrats competing to take him on also try to hunt down every last vote. jane 0'brien has been out with campaigners who've been knocking on doors. hi, how are you? hunting for election gold on the streets of manchester — voters who have not yet made up their minds. you can send out thousands of pieces of mail, you can send out a tweet that reaches a million people, but ultimately face—to—face conversations is still what people like. voters don't live on twitter, they live behind their doors. around half of new hampshire voters are registered independent but can still vote in the democratic primary. they could decide the outcome. because of a couple of trends in our politics, we do not talk to them. we really focus on making people afraid of the other party, instead of wanting them to come to our party, and campaigns really focus on who they know will vote. and now they can do a youtube pre—roll ad instead of doing a tv ad to everybody and that means a lot of these people are being left out of the process and we need to talk to them. this our place? yep. ca nvassers know exactly who they are targeting thanks to apps that reveal personal data and likely preferences. we know the woman who lives in this house voted in the last two general elections but has never voted in a primary. she probably supports gun—control, but is less likely to support the minimum wage. she definitely supports a woman's right to have an abortion and might have a college degree. from small country towns in the mountains to the seaside, candidates have spent months campaigning for every single vote. but new hampshire is not going well for former vice president, joe biden, who is now fourth in the polls and could be in real trouble. i do have concerns about, more about — to be honest — about his age. it is not age, it is energy. and i am here today to find out if he has the energy to do it, and i do not know the answer to that question. i want some fire and some fury, i want some really good... how are they're going to attack trump — that's my most important thing — how are we going to beat him. are you not hearing that at the moment? not yet. some experts say the polls have too much influence and could be damaging the election process itself. mobilising independents is essential if democrats are to beat donald trump in november but as disappointing turnout in iowa showed, getting them excited about the candidates is another matter entirely. jane 0'brien, bbc news, new hampshire. a short while ago we heard from chris buckler. president trump has been speaking this evening andi has been speaking this evening and i can assure you he is doing his very best to make this about campaigning for the election in november instead of this being about the democrats and their primary as they try to select a candidate. he was here in many ways trying to fire up republicans and take away from all of the spotlight that is on the democrats at the moment and certainly when you listen to him he was talking about immigration and talking about some of the key issues such as the economy that he thinks will help him in the election. but, of course, he also had the opportunity for easy pops at the democrats. for example, the mess that was the iowa caucus a week ago whenever they started the state—by—state process of choosing his challenger. the final vote for that, you cannot definitively say it is in because of problems with the way it was reported and ultimately the democrats will wa nt to ultimately the democrats will want to get away from those problems whenever they have this primary vote tomorrow. in 21: this primary vote tomorrow. in 2a hours time they will want to have somebody as a winner and they will want to show how the others have done. and that will be really important going forward because when we look at it, pete buttigieg, the former mayor of south bend indiana and the vermont senator bernie sanders came neck and neck and they will want to cement their positions as frontrunners going ahead. and on super tuesday, a month away, you get the impression that it is the other candidates who will be under pressure to do well here. particularly the us vice president, former vice president, joe biden who did less tha n president, joe biden who did less than he expected in iowa and is well senator elizabeth warren who really wants to challenge bernie sanders and ta ke challenge bernie sanders and take away some of those progressive votes. we are in foran progressive votes. we are in for an interesting 2a hours in new hampshire and elsewhere when we get the results in 2a hours time. stay with us on bbc news. still to come: heavy rain in brazil causes widespread disruption in sao paulo as the area receives half a month's rain in a single day. there's mr mandela. mr nelson mandela, a free man, taking his first steps into a new south africa. iran's spiritual leader ayatollah khomeini has said he's passed a death sentence on salman rushdie, the british author of a book which many muslims say is blasphemous. the people of haiti have flocked to church to give thanks for the ousting of their former president, 'ba by doc' duvalier. because of his considerable value as a stallion, shergar was kept in a special secure box in the stud farm's central block. shergar was driven away in a horse box the thieves had brought with them. there stepped down from the plane a figure in mourning. elizabeth ii, queen of this realm and of all her other realms and territories. head of the commonwealth, defender of the faith. this is bbc news. the latest headlines: aid workers and the un say up to six million people in yemen are being denied desperately—needed aid because rebels are blocking it. china's leader has made a public appearance to address the coronavirus outbreak as the number of deaths tops 1000. the us has charged four chinese military officers over the huge cyber—attack on credit rating giant equifax. more than 147 million americans were affected in 2017 when hackers stole sensitive personal data including names and addresses. some uk and canadian customers were also affected. announcing the indictments, attorney general william barr called the hack "one of the largest data breaches in history". this kind of attack is of a piece with other chinese acquisitions of sensitive personal data. for years we have witnessed chinese voracious appetite for the personal data of americans, including the theft of personal records, the intrusion into marriott hotels and health insurance companies and now the wholesale theft of credit and other information from equifax. let's go now to washington and talk to katie benner, justice department reporter at the new york times. just reading your piece in the times, it's not the first time that the us has charged members of the chinese military with hacking american secrets. what is it particularly that the us is it particularly that the us is scared of here? it's actually only the second time the us has charged chinese officials with hacking into a us entity. it's relatively rare because usually intelligence hacking is considered outside the realm of the criminal code, but in the heart the chinese government amassed an enormous amount of data on us citizens. it has become clear to officials that china is trying to use it in order to create artificial intelligence that can help it with espionage activities in the future. if the chinese are indeed trying to put together some vast database of to put together some vast data base of american to put together some vast database of american citizens, how would it work and how would it be useful? to understand that we might want to take a step back and have a look at the other caches of data china has amassed on us citizens. they have the office of personnel management and have managed to get information from government employees. they have managed to cross relate that with the enormous hotel chain, marriott, to see where they travelled, and they have equifax, a company that can tell people whether people are underfinancial duress, tell people whether people are under financial duress, who they are related to, how they spend their money, social security number and all sorts of things. using that information can put together a portfolio of who someone is, where they were, whether they work in an intelligence function within the government or whether they are vulnerable, have marital issues, extramarital affairs, who they would contact — things that could make them vulnerable or open to entreaties to the chinese government to help steal american secrets, both governmental and corporate.“ people have now been charged, do you read these as attempts that did not quite work, or is it working, or has it already happened? the government says it has already happened. we know the equifax data was stolen. 0ne know the equifax data was stolen. one of the reasons why the government charged these four members today and charged a few years ago in a very rare set of charges is that it sends a message to beijing that this is not acceptable behaviour, that the government recognises what is going on and it needs to stop. also keep in mind this happened a few years after the 0bama administration entered to deal with cheating president xi, soin deal with cheating president xi, so in some ways china is following the letter of the treaty, but in spirit officials say they are still violating it because for them, intelligence activity and economic moat are one of the same in beijing. it is regarded as the same thing, and both very important in order to create chinese dominance around the world. to be evenhanded, it's quite likely the us and other international intelligence agencies are doing the same thing in reverse, isn't it? yes, and that was alluded to in the press conference today. certainly all countries are engaged in espionage activity, including the united states, but what makes this different is it violates established norms according to thejustice department and allows beating not only to involve itself with espionage and intelligence gathering but into the sorts of activities that bleed over into the thefts of secrets, corporate secrets, and other things that are very concerning. thank you so much. heavy rain has caused widespread disruption in brazil. helicopters have been sent in to rescue road users in sao paulo as floodwater engulfed cars and communities. the city's mayor says some areas received half a month's rain in a single day. gareth barlow has more details. by boat and from the earth, motorists in sao paulo were plucked to safety. roads run as rivers after heavy rain pounded the pavements of brazil's most populous city. low—lying areas inundated with water after two rivers burst their banks, with one reaching its highest level in 15 years. i've lived in sao paulo for over two decades, this man said, and i've never seen this in my life. meanwhile, in neighbouring peru, people braved the brown water to cross villages after roads were swamped and mudslides disrupted transport. february is one of the region's wettest months with local media reporting the heavy rains are expected to continue. the court of appeal in london has ordered the british government not to remove any of the 50 foreign—born offenders due to be deported to jamaica on tuesday morning. some of the people involved have been in britain for decades. the british government has insisted that only serious offenders are being deported. 0ur correspondent adina campbell has the latest. it is still not clear if this flight will be going ahead. there have been reports tonight it has been cancelled but we have just received a statement from the home 0ffice saying active legal proceedings are still in place. now, earlier we saw a sealed document here at the high court showing that some of the legal applications had been refused. however, there have been reports by one human rights group saying that some of the deportees would not leave the uk because of problems accessing a working mobile phone and therefore not being able to obtain legal advice. now, this flight is scheduled to leave at 6:30 tomorrow morning, carrying dozens of people from the uk back to jamaica. it's caused widespread protests, including one last—minute protest outside downing street earlier this evening. but the home office has been very clear, they say this latest group of deportees are serious criminals, convicted of crimes such as rape, manslaughter and class—a drug dealing. the very soggy red carpet has been rolled up for another year, and no doubt there are still a few hangovers being nursed across hollywood. but the legacy of this year's 0scars will live on. the south korean film parasite made history by winning best picture. laura bicker has all the reaction from south korea. director boonjong—ho was not the only one overwhelmed by the scale of parasite's success. as he grappled with his four 0scars, including one for best picture, south koreans in seoul could not hide their pride. translation: this kind of thing is a huge national celebration. i want to thank the director and all the actors and actresses. this is wonderful. parasite tells the story of a poor family living in a squalid basement flat and a rich family who reside in a modernist mansion. while the film is a work of fiction, the apartment life is not. this is just one of thousands who battle unbearable humidity and rapidly growing mould in the city's basement flats. i am sad about it. i heard you can survive in the desert, but you couldn't survive in my house. the pizza place featured in the film is also real. it's been here for 17 years, and it was the owner who taught the cast how to fold the boxes. translation: when i saw it had won today, i got emotional. it felt like i had won. when i heard it had won four oscars, i thought this was the most historic moment in south korea. the closest place i could find related to the film was here, so i thought it was symbolic to come to this pizza shop. the president of south korea began his cabinet meeting with applause as the country erupted in a wave of congratulatory joy. one south korean film critic described these wins is a miracle, but it's not come from nowhere. for the last decade the south korean government has ploughed money into what it calls the korean wave — k pop and k drama and korean cinema — and this proves that wave has come crashing down on hollywood. that's it for watching. thank you for watching. much more on the website and on twitter. hello. sunday was very much all about the windy weather, thanks to ciara. monday things took a turn for the more wintry, and for today, well, we're left with a combination of the two really. strong chilly winds, gales for some, and some wintry showers feeding in. there is ciara now, sitting across scandinavia. but we've still got lots of isobars on our charts, still noticeable winds and the showers getting blown in with the colder air sitting across us, are likely to be wintry. just follow the arrows back across the atlantic, and you can see basically that air spilling out of greenland, all the way down from the poles. so a cold start to tuesday and, where we have the wintry showers, there will be the risk of ice around for the first few hours of the day, at least. there will be a lot of sunshine away from the showers. but some of the showers are going to feed in thick and fast and that will mean accumulations of snow, maybe even as far south as the moors of the south—west, across parts of shropshire the mountains of north wales, and the winds still very gusty too. so that will mean blizzards and the possibility of drifting snow. so some dangerous conditions to be found across particularly the northern half of the uk and it is cold. factor in the wind, it will feel a little bit chillier than these highs ofjust 6—8 degrees would imply. through the evening and overnight, things change just subtly. the wind will ease a little but still plenty of showers feeding into the northern half of the uk. to the south, largely clear skies, again, temperatures in the towns and cities dipping down a degree or so above freezing. but in rural areas there will be a frost. so again, especially where we have had showers, the risk of ice first thing on wednesday. wednesday the winds are a little light right the way across the uk but still a threat of some showers in the north. perhaps a few outbreaks of rain further south. still quite gusty winds but nothing in comparison to sunday, monday and tuesday. but you can probablyjust see it creeping in there, to the south—west of the uk, we have another area of low pressure waiting to come wing its way across us, on thursday. so for thursday, we are back into another spell of strong winds as this low winds its way in from the atlantic, and then, hot on its heels, looks like there will be another one pushing in through friday. perhaps a little break in the weather first thing on friday but again it is setting us up for what looks like will be a potentially even a stormy weekend ahead. so the weather still set to bring us some challenges, i think, in the next few days but for today, it's a cold wind and wintry showers to look out for. this is bbc news. the headlines: aid officials and the un are saying up to 6 million people in yemen are being denied desperately—needed aid because houthi rebels are blocking it. the houthis, supported by iran, have been fighting the government backed by saudi arabia, the us and uk for five years. china's leader has made a public appearance to highlight the government's efforts to combat the coronavirus. speaking to medical workers, xi jinping called for "more decisive measures" to combat the outbreak. at least 1,000 people have died so far, 42,000 cases have been confirmed. the us state of new hampshire is in the spotlight as voters get ready for tuesday's primary election. analysts see this as a vital moment for former vice presidentjoe biden, and some of the other democratic candidates, to boost theirflagging campaigns to become the party's nominee to fight donald trump for the presidency.