the headlines: this is bbc world news, the headlines thousands of supporters of the former brazilian president, jair bolsonaro, have stormed the country's national congress in brasilia. some protesters have clashed with the police who used tear gas in an attempt to repel them. international travellers are streaming into china after it fully opened its borders for the first time since the start of the covid pandemic. people arriving in the country no longer need to quarantine and chinese citizens are allowed to go overseas. uk prime minister rishi sunak says

he's willing to discuss the issue of pay with the nurses�* union to settle strikes. but he didn't make a firm commitment to increase salaries. president biden is travelling to texas for his first visit since taking office to the us southern border with mexico. he'll discuss the situation on the border which has seen record numbers of migrants and asylum— seekers. you are watching bbc news... now it's time for sportsday hello and welcome to sportsday — i'm hugh ferris. our headlines this evening. the fa cup third round wekeend was nearly done... and yet stevenage had a surprise in store... providing the biggest shock so far... the australian open will be without a two time winner as naomi osaka withdraws from the tournament

a suprise on the opening day of snooker�*s masters, as the defending champion crashes out... also coming up in the programme. mikaela shiffrin makes history. matching the record for women's world cup wins hello and welcome to sportsday, i'm hugh ferris league two stevenage stunned aston villa to book a fourth round trip to stoke after coming from behid at villa park.. two goals in three minutes absent aston villa crushing out at this stage again.

was also then shown a red card. put decisions eventually confirmed by va are. jamie reed kept his cool to draw stevenage level and draw a potential replay. the need to cite had other ideas. campbell smashed stevenage into the fourth round the chairman said it's the greatest day in his life. he's been at the club for some years. i fantastic pay for the town. we don't kid ourselves. it is a fantastic football club. we will enjoy our

moments and they have been fantastic since we have walked into the building. will be will mumble and get on with ourjobs for saturday. four days ago in their premier league meeting just one goal separated manchester city and chelsea. it was hard—fought and close. their fa cup third round tie this afternoon turned out to be neither, with city trouncing their opponents at the etihad. riyad mahrez, who scored the only goal of the game it's a stormer! riyad mahrez with a free kick of pure pinpoint perfection. and it was just the start. handball by havertz, penalty to city, and alvarez did the rest. alvarez scores! and from there, chelsea's challenge got even greater.

pulled back, foden! city utterly dominant as they ultimately cruised to a 4—0 victory. delight for them but, for chelsea and their under pressure manager graham potter, these are worrying times. earlier, there was some drama at cardiff. 21 years after they famously knocked out leeds, the championship side seemed to be out it again. goals from jaden philogene and sheyi ojo putting them 2—0 up. at half—time, cardiff were in dreamland. but after it, it was back to earth. first, rodrigo pulled one back, and, although leeds then missed a penalty deep in injury time, guess what? and it's in! sonny perkins rescuing a 2—2 draw. the replay has a lot to live up to. andy swiss, bbc news. a few other ties to tell you about... derby have progressed after beating fellow league one side barnsley 3—0. bristol city and swansea will go

to a replay after a 1—1 draw. an easy win for stoke... blackburn beat fellow championship side norwich city to book their place in the fourth round. less so for walsall. .. theirs came from a 95th minute penalty... shortly before the manchester city/chelsea game kicked off the draw for the fourth round took place, and it put those two teams in the potential tie of the next round too, with a possible match between the top two in the premier league. here's the draw in full. stevenage have an away game at stoke after their shock win. wrexham are the only non league team definitely through, and they'll have a home tie against sheffield united from the championship. manchester united also have a home match against a second tier side, reading. spurs and west ham have away games. manchester city could well play arsenal in the next round. there's league two against top flight with walsall facing leicester, while an all premier league tie at brighton, who'll play either liverpool or wolves.

rangers have pulled celtic�*s scottish premiership lead back down to nine points after a 2—0 win at dundee united, and, as ben croucher reports, the match was won in the blink of an eye. mind the gap. the tunnels might be tight, the title race not so much. the old firm derby draw on monday meant every point was precious for rangers. in the you are looking for space the rangers defence for the first half against dundee united was good. not much to write about in the first half. in the second, rangers turned on the style. just over two minutes later, two.

mattie tillman squeezing one through the orange wall in front of them. now playing with tempo and intensity the changes were flowing, more goals were not but they didn't need to. it makes that gap to celtic at the top a bit closer least. bbc news. in the day's early kick off, kevin nisbet scored a hat trick as hibernian beat motherwell 3—2 at fir park to register a win following back—to—back defeats. nisbet has scored five goals in five games for hibs since returning from injury. two time champion naomi osaka has withdrawn from the australian open just over a week before the tournament begins. no reason has been given as to why she won't be playing — she's not competed since september. venus williams has announced she also won't appear at the tournament, although that is due to injury. novak djokovic has warmed up for his australian open return by winning the adelaide international title. the serb dropped his first set of the tournament before beating the american sebastian korda in three sets... extending his winning streak

in australia to sa matches. the tournament is djokovic's first in the country since he was deported in january last year because of his covid vaccine status, but his visa ban has now been overturned. the masters snooker is under way at alexandra palace and neil robertson's defence is already over. the australian was beaten by the 2015 winner shaun murphy by six frames to four. murphy led 5—1 before the defending champion fought back but he held on and will now face either kyren wilson or stuart bingham in the quarterfinals. it's about getting the win. wins in these big gala events have been something not on for me these last few seasons. to play our greatest ambassadors and achievers, who always plays was here, defending champion, and to get the win is very pleasing.

these are the life pictures. mark selby taken on and iranian player. the first irani and to appear at this tournament. one of the snickers triple crown events and he has taken the first frame. but it is very much amongst the buzz and a potential time frame for a selby. you can watch more at bbc�*s website. the masters is being paid against the backdrop of a major investigation into mack's piston. the chairman of the body said the investigation is close to being completed. ten and chinese players are currently suspended. i chinese players are currently summed-— chinese players are currently suspended. chinese players are currently susended. ~ ., ., ., ., suspended. i think we are one to two weeks away — suspended. i think we are one to two weeks away from _ suspended. i think we are one to two weeks away from the _ suspended. i think we are one to two weeks away from the completion - suspended. i think we are one to two weeks away from the completion of l weeks away from the completion of that inquiry. it won't take long to assess whether there are charges to be levelled against those players

after that. then, we would establish an independent tribunal which will be formulated and that tribunal will be formulated and that tribunal will be stand independent and judge this. that might take another month or so but the one thing we are doing, there is never a good time for this. the thing we are doing is pushing this process every day. we have been under since october day in and day out trying to push it and push it. it is unfortunate that we have continued with new evidence coming to light some new things have come to light some new things have come to light some new things have come to light that we have had to look at. we won't be too much longer. mikaela shiffrin has equalled lindsey vonn�*s women's record of 82 skiing world cup victories. the american produced two dominant runs to win the giant slalom in slovenia, her eighth victory of the season. the two—time olympic gold medallist is now only four world cup victories short of the overall record held by sweden's ingemar stenmark.

they'd get it without england's tom curry for the most part. he had been forced off with a leg injury in the first. i had of the six nations. the rallied for chives one from fly have. vasco had a stunning 79th minute try to thank him for a 24—17 victory over defendant united rugby champions. their winning streak is now at six in all competitions. the buffalo bills scored a touchdown on their first play since their player damar hamlin suffered a cardiac arrest on the field. returned the kick off all the way into the end zone on an emotional day at orchard park. hamlin�*s number three is coloured on the field at the 30 yard line,

with people across the league wearing the number in support, including patriots coach bill belichick. before kick—off, the bills put an image of damar on on the big screen and an emotional rendition of the national anthem followed. meanwhile hamlin himself is watching the game from his hospital bed with his family. he tweeted "gametime" with a picture of him and two of his family members ahead of kick—off and he has reacted to that first touchdown on the first play too. that's all from sportsday.

climate scientists have warned that change needs to come from the top, from governments and companies. but science and innovation will play an important part. yeah, so this week, we're going to look at some of the latest green ideas. and first off, take a deep breath. deep inhalation and exhale. if you live in the green, it's easy to forget what life is like in the grey. the air literally can smell sweeter, and it's definitely cleaner. the world health organization says air pollution poses a major threat to health and climate, and it kills an estimated seven million people worldwide every year. now, we're not all going to move back to nature, but what if we could bring nature into the cities?

just outside berlin, this company is trying to freshen up our urban air. this is a biofilter which is sucking air in through the bottom and pumping it back out through this wall of moss. to illustrate that, we've got a smoke machine from the local discotheque. and if i just show you... there you go. it's going in through the bottom and out through the moss. and what happens to the air as it comes back out through the moss is where the magic happens. moss eats pollution. it sticks to its tiny leaves. it's absorbed, digested, and then is turned into more moss. so, as fans draw dirty air in, the bad stuff is left on the moss' leaves, leaving cleaner air to flow back out. the idea of using moss' natural filtering properties came to the founder after he went for a jog. so, i was in shanghai and i did a lot of exercise outdoors