this is bbc news, the headlines switzerland's largest bank, ubs, has taken over its troubled rival — credit suisse — in an emergency

measure designed to protect the swiss economy. both banks will be given a liquidity assistance loan of up to $110 billion. ukraine condemns president putin after he visits the devastated city of mariupol — captured during the russian invasion. an aide to president zelensky called him a criminal returning to the scene of his crime. environmental scientists prepare to unveil eight years work showing the global scale of the climate change. this report is expected to become the benchmark for world governments on how to respond to the growing crisis. serbia's president, aleksandar vucic, says he has "declined" to sign a proposal by the european union intended to normalise relations with kosovo. the eu has been trying to broker a deal, 15 years after kosovo declared independence. you're watching bbc news... coming up click — but first

it's time for sportsday hello and welcome to sportsday — i'm gavin ramjaun. 8 points clear and flying — arsenal put crystal palace away at the emirates, with saka on the scoresheet twice. perez wins in saudi arabia fighting back from first step in. hello there, and welcome along to sportsday. as the fa cup quarter finals come to their conclusion. and real cracker to finish with. manchester united got the better

of fulham at old trafford. in a fiery encounter. it was a relatively quiet first half — but it really sparked after half time. fulham took the lead thanks to aleksander mitrovic. who would later go from hero to villain. willian was judged to have handled on the line, blocking a shot from jadon sancho. which was going in, which meant a red card for him. that's where it all kicked off — with mitrovic given his marching orders, for his behaviour towards ref chris kavanagh — who also sent off fulham manager marco silva. bruno fernandes scored from the spot — to make matters even worse — united scored their second thanks to marcel sabitzer on the break. with fernandes getting their third. fulham's implosion costing them — and united go through the semi—finals. we showed great character. it's not that easy. we played the most games from other teams across europe but every time this team shows personality and resilience and determination to win games and today

was tough but we didn't expect it differently before the game because for them is a good team. you have to be good to outplay them. the for them is a good team. you have to be good to outplay them.— be good to outplay them. the full emboss was _ be good to outplay them. the full emboss was dismissed _ be good to outplay them. the full emboss was dismissed after - be good to outplay them. the full. emboss was dismissed after things got heated thought the referee could've shown more understanding i was a bit harsh in sending off stryker. was a bit harsh in sending off st ker. . ., , , stryker. there are many times in that situation _ stryker. there are many times in that situation would _ stryker. there are many times in that situation would get - stryker. there are many times in that situation would get a - stryker. there are many times in that situation would get a card i stryker. there are many times in i that situation would get a card and the referee stuff it sucked many times you see that. i don't think what we did is correct but as i told them i have to control myself but using this in many times it to be a yellow card and finish. after a card you get another red card you have to understand football and the emotions of the game because mitchell which was the player in the first half involved in that incident that directed in care about in the first half. the dream's overfor league two grimsby —

they were hoping to become the first side from the fourth tier to reach the semi—final stage but they were no match for premier league brighton at the amex — who ran out 5—0 winners, to make a first fa cup semi—final since 1983. joe wilson reports. and sussex coast they have migrated again. grimsby town and the haddox inflatable excitable. this sense of occasion makes and remakes the fa cups repetition. we are reminded of its purpose and you can see how much it means to grimsby. there was boundless hope for five minutes in a changed grimsby, brighton in stripes took the lead. simple as that. grimsby already knew they were playing one of the tough teams in england tough to be reminded so quickly. this is the club that keeps finding and developing players, evan ferguson finishing

here is only 18. grimsby did force saves from brightens goalkeeper, the travelling fans did not need to show their oppression by throwing scraps of paper. the result was safe for brighton once ferguson destroyed through and his performance like the club was impressive. potential cup winners? why not? it all felt a little bit cruel when the ball crept in for a 5—0. grimsby had some brilliant cup memories until this. swap the haddocks for the seagulls and the significance of changes hands. brightons chance now. so two goals for brighton teenager evan ferguson then, who continues to enjoy a great season so far. positives for grimsby — who's boss is happy with how far his team have gone. it's been unbelievable.

credit to the lads as well i've they've been good to me when i've been playing. they've encourage me. so it's been very good. we have the hope and desire to go on and get to europe so i think that's our ambition. i think if we keep on going and winning games we could get there. the support is what i always come back to. they are fantastic and come out in their numbers on many occasions but the club as a whole as i said in the pregame, or lead up, it's a community club. it's important to the community. i think they've showcased that today and, hopefully, they are extremely proud as well. arguably the most entertaining quarter—final was the match between two championship sides. sheffield united came from behind to beat blackburn 3—2 at bramall lane. tommy doyle was the blades' hero, with a dramatic 91st minutes winner to set up an encounter with premier league side manchester city in the semi—finals. drew savage reports. this is what that wembley feeling looks like — sheffield united, through to

the last four of the fa cup for the first time in eight years. their opponents had struck first after this jack robinson handball was spotted by var. ben brereton diaz doesn't usually miss those. seven minutes later, united were level. and a stroke of fortune about their equaliser. celebrations as max lowe's shot went in with a great deal of assistance from the knee of blackburn's sam gallagher. but rovers are only three championship places behind the blades and in the second half sammie szmodics put them in the lead again. and this is how close they came to making it 3—1. ryan hedges beat wes foderingham but hit the post. sheffield united refused to be beaten — equalising with nine minutes left, through sheer determination. extra time beckoned —

but tommy doyle had other ideas. they hope to be playing manchester city in the premier league next season — but first, they can look forward to facing them at wembley. so, confirmation of those wembley games, then, for the semi—finals next month. manchester city — who hammered burnley 6—0 yesterday, with perhaps the favourable tie of the round, against championship side sheffield united. and brighton will faced a tougher task of manchester united. manchester united are through to the semi—finals of the women's fa cup for the first time — after beating championship side lewes 3—1. united were looking comfortable at 2—0 until this error by england goalkeeper mary earps was seized upon by emily kraft in spectacularfashion. they weren't able to add to that though. and substitute nikita parris maintained her record of scoring in every round, to secure the victory with just a couple of minutes left. in the day's other matches brighton

beat birmingham city 2—0 and holders chelsea won 3—1 at reading. it's currently 1—0 between aston villa and manchester city. the draw for the semi's is on tuesday. arsenal have extended their lead at the top of the premier league to eight points after beating crystal palace at the emirates, in the only match in the premier league on sunday. the gunners got off the mark thanks to a smart finish by gabriel martinelli. and that lead was doubled thanks to bukayo saka. arsenal were comfortable in the second half — granit xhaka made it three before palace, who sacked former gunners midfielder patrick vieira this week as their head coach, pulled one back. saka then completed the win, to make it 4—1 — with his second of the day. mikel arteta's side now well clear of their nearest rivals manchester city. the energy that we put in right from the game we were really determined and focused and we left thursday in the past and we played well and when the game.

well and win the game. after playing 120 minutes you have to go back and play against a team today who had a lot of needs. they have been tough to beat in the last two games and we really dominant and won the game. it's life and it happens. it's not every game you're going to score and play well. it happens. yeah, of course, i was sad. i spent the whole night thinking about that penalty but it's over and we came back today and had a great game, and i scored and we got the three points, the most important thing. in the last few minutes sergio perez has won the saudi arabian grand prix. the mexican started from pole and briefly slipped behind aston martin's fernando alonso.

support can sometimes be a numbers game. max verstappen started in 15 and his team mate started first but wasn't there by the time they reach a first corner. paris past and putting daylight between him and rest of the field. reception was flying to behind him and that was louis hammons on in front or it was anyway. the tract normally provides crashes and land straws retirement was not the only safety car which brought verse step into the front runners and his right foot to the rest. cash in paris was out of his reach, though. as the chequered flag was greeted by a mexican wave with max verstappen taking second. regardless of where they start, this red bull is in a class of one. then crozier bbc news.

sebastien ozhey is on the brink of winning rally mexico. the eight time world champion is driving part time this year. he won the opening rally of the season in monte carlo and this is just his second appearance. the frenchman is heading into the final stage 22 seconds ahead of his toyota team mate, britain's elvin evans, so will have to suffer mechanical problems or misfortune to lose. after the six nations was done and dusted with ireland's 29—16 victory over england yesterday — domestic matters are back on the agenda — and the premiership rugby cup went all the way to extra time today — with exeter getting the better of london irish. ajacob atkins' penalty early put irish ahead in west london — but aidon davis' tryjust before the break in extra time sealed the win 24—20 win for exeter. it's the second time in as many years that irish have lost the final after extra time — the victory for exeter gives them a third domestic cup, since promotion to the top flight in 2010. that's all from sportsday. we'll have more

throughout the evening. the cars can go from 0 to 100 in four seconds. they are made of 80,000 parts. the brakes can hit 1000 degrees. this is formula 1. this year's season is getting under way and it is jam—packed full

of tech, and it's notjust the cars. yeah, it's all about the data these days. they collect as much of it as they can from on and off the track to help make decisions which could change the results, and alistair keane has been given exclusive access to the alpine f1 team to find out how they race. being behind the wheel of a formula 1 car is a privilege. driving the fastest car in the world, the adrenaline rush is so high. it's a privilege because there are more than 1000 people working on our team. i'm the guy that is at the axis. the feeling of speed and the g—force you feel at the corners, due to the speed you are carrying, it is so satisfying.