jane o'brien, thank you. the war in ukraine. 0ur political correspondent nick eardleyjoins us. what happened ? what happened? good afternoon. quite a moment at the _ what happened? good afternoon. quite a moment at the start _ what happened? good afternoon. quite a moment at the start of _ what happened? good afternoon. quite a moment at the start of prime - a moment at the start of prime minister's questions today, with the ukrainian ambassador sitting in the gallery. i think we can show you just now, there was a long and emotional standing ovation from mps in the house of commons. not something you see very often at parliament but such is the feeling at the moment. there were also some really significant comments in today's exchanges from the prime minister about what has been going on in ukraine and some of the bombing we have seen from russian forces in the last few days. boris johnson said, for the first time, that he believes what president putin has been overseeing in ukraine is a war crime. putin has

. ♪ >> i am jane o'brien in washington and this is bbc world news america.a steps of its bombardment of parts of ukraine as nato warns that the conflict will get worse. in the country second-biggest city, residential buildings have been reduced to rubble and families hide underground. special report from inside the city. >> this is so far from normal, it is hard to even describe. these people have no idea what they going to do next. jane: overnight, russian forces attacked a ukrainian nuclear plant, the largest one in europe. ukraine says moscow is resorting to nuclear terror. >> the russian tanks new what they were firing at. they directly hit the plant. this is terror on an unprecedented level. >> i'm in ukraine's western city of lviv where tens of thousands of people arrive, fleeing fighting in other parts of the country. ♪ jane: welcome to world news america on pbs and around the globe. throughout ukraine, russian forces are advancing on key cities and residential areas. overnight they attacked one of the country's nuclear power plants in the south, thei

jane o'brien has more. at least voters do agree with him that sanctions and not troops are the best way to handle the crisis, but with very low approval ratings and the real prospect that republicans could retake congress in the mid—term elections, mr biden will have to take every opportunity tonight to make a very strong case for himself. i'm joined now by dr julie norman in london. she's co—director of the centre on us politics, at university college london. this was meant to represent a return to normality. first time all members of been together since the pandemic. but i guess with ukraine looming over everything, it will feel far from normal today. how do you think president biden will address that? it will be different. what we can expect from biden today is to use this as an opportunity to assert his national and global leadership. we expect him to speak to this showdown between forces of democracy and authoritarianism and aggression as we are seeing in russia and trying to underscore why this confli