this is bbc world news today. i'm ben bland. our top stories... sir alex ferguson the manager who made manchester united one of the world's leading football clubs has undergone emergency surgery for a brain haemmorhage. there are reports that more than 1,000 people have been arrested across russia, including opposition leader alexei navalny, during protests against president putin. thousands of people have been forced to leave their homes in hawaii after earthquakes triggered by the eruption of mount kilauea. it was really smoking bad. you could smell it in the air. also in the programme: 200 years after the birth of karl marx, his work still resonates and his legacy still divides. one of the world's great football managers, sir alex ferguson, has undergone emergency surgery for a brain haemmorhage. manchester united, the club he managed for 26 years said in a statement that the surgery went very well, but that sir alex now needs a period of intensive care to optimise his recovery. messages of goodwill for sir alex have been pouring in from united players past and present.

let's get more from hugh woozencroft, from the bbc sport centre. what more do we know about the situation? at the moment, the situation? at the moment, the situation is much more than what manchester united have said. we know that he has undergone emergency surgery that he has undergone emergency surgery for a brain haemorrhage and that procedure has gone very well. manchester united went on to say that he will need the period of intensive care to optimise his recovery and that ferguson's family request privacy and matter. sir alex ferguson is one of the most well—known figures in international football. in the last few moments, fifa, the governing body, say we send many hbos the world in sending oui’ send many hbos the world in sending our best wishes to alex fergusson. he was resident advert to the every

single one of their matches alongside his wife cathy. his son darren is manager of don costa and missed the final game of the season for that club today, saying he had a pressing family matter. we now know what that is. over the period of time that sir alex ferguson was in charge 26 years at manchester united, he led them to 38 trophies. two european cups and the famous treble back in 1999 which culminated with the sudden death it three over bayern munich at the nou camp in 1999. he is 77 years old. —— 76. he retired in 2013. david moyes didn't work out the way he would have hoped his fellow countrymen. not blasting one season his fellow countrymen. not blasting one season in charge. this will be devastating news for all concerned with manchester united, the greatest

manager probably in their history, bringing them to their three european cups. the club captain michael carrick has said he is devastated to learn the news that his former manager had undergone the emergency surgery. he says, all my thoughts and prayers are with him and his family, be strong, boss. sir alex ferguson is one of the strongest people that he knows, said patrick. very good friends at this point and he is sure sir alex ferguson will pull through. sir alex ferguson will pull through. sir alex ferguson undergoing emergency surgery today for a brain haemorrhage, and that procedure has gone very haemorrhage, and that procedure has gone very well, that news coming officially from manchester united. thank you. the russian opposition politician alexei navalny has been detained after leading what he says are nationwide protests against vladimir putin's re—election as president. navalny was banned from running against mr putin after being convicted of corruption. he had been warned by

authorities not to organise unauthorised rallies. steve rosenberg was among the crowds in moscow. i am on pushkin square in the centre of moscow, where two opposing groups have gathered. this was the reaction to a protest against the president in moscow. right police pushed demonstrators of pushkin square. the protesters had been shouting, down with the czar. they demanded that blood amid putin services fourth term as president in jail. -- services fourth term as president in jail. —— they demanded that vladimir putin serves his fourth term as president injail. do putin serves his fourth term as president in jail. do we putin serves his fourth term as president injail. do we need is our, asked the opposition activist who had organised the protest. no, they shouted. soon after, police dragged him away too. earlier on the

square, russian nationalists supporting president putin vowed to prevent —— prevent a ukraine style revolution in russia. the anti—government protesters shouted them down. on paper at least, vladimir putin has little to fear from a street protest. a recent survey found that the vast majority of russians had no desire to take part in a political demonstrations. and yet, any public display of dissent makes the russian government nervous. that is because the kremlin has seen a people power force political change in countries on russia's doorstep. hence, this less than subtle hint from those in power here. critics of the authorities can expect an even tougher time in president putin's fourth term in the kremlin. hawaii has experienced its strongest earthquake in more than a0 years, as mount kilauea continues to erupt. the epicentre was beneath the volcano. the 6.9 magnitude quake sent people

fleeing from buildings and briefly cut power supplies. charlotte gallagher reports. a ribbon of thick lava snakes through the suburban streets and forests, the molten liquid destroying anything in its path. lava has been surging across the island since thursday, sometimes shooting up to 100 feet in the air. it was really smoking bad, you could smell it in the air. we're going to get cut off is what i think‘s going to happen. residents rushed to flee their homes, grabbing what they could. it broke out right down the hill from our house, i smelt it and i ran to the corner and that's when i ran into a military officer that told me that it's smoking and, sure as heck enough, i take the turn, and one of my favourite streets, at least, was on fire. 1,700 people have been ordered to evacuate. those who refuse have been warned no one will rescue them because of the toxic smoke suffocating the area.

these deep cracks have appeared on roads and streets. residents say it felt like a giant snake was moving under their houses. you can feel the heat coming from the ground. yeah, there's heat coming up out of there. there's lava under there. this is where the lava is coming from. the kilauea volcano. normally tourists can go right up to the rim. today it's only safe viewed from the air. much of the landscape is now scorched earth with homes, businesses and forests destroyed. charlotte gallagher, bbc news. earlier, i spoke with hawaii resident kristen hassett who had experienced one of the quakes. it was unbelievable, unlike anything

i had experienced before because i come from the mainland in florida where it is flat and we had zero earthquakes over their so having to experience this at such a magnitude of 6.9 was unreal. presumably, you and others have had to leave your homes. what are things like in terms of provisions and shelters for you? we have a couple of shelters around, some of the gymnasiums, it is only some of the gymnasiums, it is only some parts of the island that have had to evacuate. i am 45 minutes from where the eruptions are happening so we didn't have to evacuate at all. that is good news. i suppose, though, evacuate at all. that is good news. isuppose, though, people evacuate at all. that is good news. i suppose, though, people will have friends and relatives in other parts of the island. in terms of communications, are those functioning normally? a new text and phone and check on people? everything is working fine and people have been able to keep in touch with their families affected

by this. what has been the advice from the authorities, in terms of what to expect in the coming days and weeks and potential further earthquakes? hopefully that it will be small but there is no telling. i'm not too sure, personally. but we are prepared for it if it does happen again at that strong magnitude. you are saying you moved to hawaii from the mainland, from florida, do you ever kind of think to yourself, was at the right move to yourself, was at the right move to go to somewhere so close to one of the world of mac active volcanoes? i have no regrets and moving out here. this is a beautiful island and yes, it does come with some crazy action, but it is well worth it. let's take a look at some of the other stories making the news. at least 16 mineworkers have been killed in two separate accidents in western pakistan. 12 died in a gas explosion and at least four remain trapped. the injured were rushed to local hospitals. pakistani mines have frequently been

criticised for their poor safety standards and bad ventilation. rescue workers in southern poland are searching forfive miners missing underground after a 3.4 magnitude earthquake struck a coal mine. two miners have been found injured and four more made their own way to safety. there have been protests in france, with opponents of president emmanuel macron marching through paris. police beefed up security in the french capital, as thousands gathered to protest against the president's economic and social reforms. separate rallies marking may day earlier this week turned violent in places, causing damage. nasa's latest mission to mars has blasted off into orbit. the insight lander will dig into the red planet to investigate its core for the first time. it's due to land on the red planet at the end of november. the rocket carrying it was launched from vandenberg air force base in california. professor tom pike is a member of the scientific team behind

the insight mission. he was watching the launch and decribed the moment it took off. well, "watched" i'm afraid is a little bit of an exaggeration. one of the problems of a west coast launch, in fact, this is the first launch to come up from california, is that at this time of year, the coastal fog tends to roll in, and it was very thick. we didn't see a thing. but we did have a live feed from the control room. we saw that it went as smoothly as a launch can go, and we now know that we set off on our trajectory towards mars. and why the excitement around this particular mission? this is the first one that we are really going to look inside of the planet. previous missions to mars or orbiter

missions to other planets have looked down from on top. this is the first time that we are going to get the instrumentation down on the ground, literally, to get good contact with the planet, and from that, we are in going to really have the first look inside of another planet. apollo did all the moon. we have spent the last 100 years doing it on earth. and now it is time for mars. in so many ways, mars bears similarities to earth. do we have any idea, what do we expect to discover is going on beneath the surface when they dig deep into the core of the red planet? well, only figuratively digging. we have a german mole that will go down maybe five metres and that will tell us how much heat is coming from out of the planet. that is the seismic data which will really tell us the layering. the critical point is that we know the planets form and differentiate

into a core, a mantle, and a crust, but the thicknesses of those, and also the state, is the core still liquid? did it have the possibility for having a stronger magnetic field, for example? and does the crust have the rate that we see on earth? we see the earthquakes coming from the margins as those move around. that internal activity of a planet is very much to do with the long—term habitability. we would have to go back to early mars when it was warmer and wetter. but did the planet itself have the sort of activity, the plate tectonics, the magnetic fields that we will be looking for in a planet like our own to be able to sustain life. of course, landing on mars presents its own challenges. how hopeful are you that this mission will be successful and what are the timescales for it? we are going to be landing at the end of november.

we have a relatively quick six—month cruise phase to mars and that is the high risk part of the mission, in terms of getting there. we've got the engineers, we've cut down the seven minutes to six and a half minutes but we've got to get down from our cruising velocity of 111,000 miles per hour to five miles per hour, and that has been the struggle. we lost the last european lander on mars. and that is where probably i am going to feel the most nervous about the mission. when we are on the ground, the great uncertainty is going to be just how seismically active mars is. we have instrument that we hope will have the resolution from all of the activity that is going on, not just from the planet went a meteorite hits, and then there will be the question of picking those up from the instruments we have on the surface. stay with us on bbc

world news, still to come... petra kvitova tunes up for the clay at the french open by taking her third title of the year in prague. this is bbc world news today. the latest headlines: sir alex ferguson the manager who made manchester united one of the world's leading football clubs has undergone emergency surgery for a brain haemmorhage more than 1,000 people are said to have been arrested across russia, including opposition leader alexei navalny, during protests against president putin. hugh woozencroft has all the sport. hello, and thanks for joining us on sport today. it's been a dramatic day in the premier league, with the battle to stay up taking several twists and turns. only one side are defintely down after today's results — that's stoke city, whose ten—year stay in the top flight was ened after a 2—1 defeat

at home to crystal palace. if you do win, everybody says it is over and it is done. west bromwich albion have kept their premier league dream alive and climbed off the bottom of the table, with a 1—0 win over tottenham at the hawthorns, and thanks to southampton's draw against everton. jake livermore bundled in a late winnerfor the baggies, as caretaker manager darren moore made it three wins and two draws from his five matches since taking over. they head to crystal palace next weekend, knowing a win is required, and they need to have other results go their way if they want to stay up. to give ourselves a chance, we have been on this road for nearly

getting onto five weeks ago. we just wanted to get some pride and commitment back in. the supporters have been excellent. again, i'm the one standing up here talking about the occasion, but it really is ‘we'. we have the football club. supporters, staff, everybody has come together, and are working hard. and through that hard work and commitment, the results are coming. juventus are hoping to take a big step towards the serie a title, with victory over bologna. they currently lead 3—1 in turin, while ac milan lead verona 4—1, as they chase a spot in next season's europa league. melbourne victory are the first team to be crowned a—league champions for the fourth time, with a 1—0 win over newcastlejets in the grand final.

a controversial goal from kosta barbarousesjust eight minutes in, broke the hearts of the home fans and gave the title to kevin muscat‘s side. jets striker ray 0'donovan was shown a straight red card at the end of the second half, for a high kick to the face of the melbourne keeper lawrence thomas. the result means a return to success for victory, who were beat by sydney in last season's decider and finished 23 points off top place in the regular season. home player petra kvitova has won the prague 0pen, needing three sets to complete the triumph. the czech came from a set down to beat romania's mihaela buzarnescu, and the home crowd were delighted with the result as she converted her first match point in what is kvitova's 23rd wta tour title, and her third this year after winning in saint petersburg and qatar. rohan dennis has taken the race

leader's pinkjersey after the second stage of the giro d'italia in israel, which was won by elia viviani. on a stage of 167 kilometres of cross winds on the roads from haifa to tel aviv, the italian came home first in the expected bunch sprint. but he had to come from a long way back to take victory. dennis claimed three bonus seconds in an intermediate sprint, and will wear the mallia rosa in sunday's stage three from bersheba to eilat. cal crutchlow set a track record on saturday, to take pole position for the spanish motogp. crutchlow pushed his honda to a lap time of one minute, 37.653 seconds on the recently repaved track, for his first pole since the british gp in 2016. defending world champion marc marquez will start sunday's race from fifth on the grid, while points leader andrea dovizioso is eighth.

that's all the sport for now. today marks 200 years since the birth of karl marx, the german thinker who came up with the theory of communism. to mark the event, a statue of him was unveiled in his home town, trier. the huge bronze cast was a gift from china, whose leader xijinping has described marx as the greatest thinker of modern times. not everyone was in a mood to celebrate. the unveiling in trier was met by a counter—protest, and the far right alternative for germany party said the statue was a slap in the face to the victims of communism. i've been speaking to the political theorist maurice glasman, a labour life peer in the house of lords. it is the marker of the thought. there is a huge split in europe between east and west. there is a revival of marx's thought in the

west, the forming of global markets which may be alone from his time, marx predicted but on the other hand, there is a legacy of inhumane mass murder. that is alive and the hearts of people who love —— lived under that system. if marx was alive today, what would he made of the forecast he made back then to seize now? i would imagine he would be quite pleased with himself because it was this notion, not simply that capital concentrates, that it moves towards monopoly, oligopoly, but the key phrase is that everything is sacred is profound, the globalisation itself creates a single global market and there, there is an enormous sense, religion, nationalism, orthe state politics, art or subordinated to money. that said, even if his

prediction on that measure has largely proved to come to pass, his solution to it, i:e., communism, in the biggest test of it in the subject union, failed. but from his point of view, this was the ultimate form of european modernity so he expected revolution, for example, in either germany or britain. he had high hopes for the knighted states. as far as he was concerned, with the theory that he had, russia was a very backward company —— country, china, what he saw, capitalism integrating in the world, he had a very strong view of advanced and developed countries so if marx was around now, he would say we had the revolution in the wrong country, thatis revolution in the wrong country, that is the problem. what would he have made of the rise of china?” think that would have been a challenge to his theory, essentially. he put china and at the

block of asiatic despotism. i don't think that is such a bad way of characterising the chinese regime. no democracy, no liberty, huge concentration of power, so within a marxist frame, he would put china very much within the frame of the beginnings of primitive capitalism. 0bviously, marx was born 200 years ago. around that time, there are names that are still talked about today, great social political financial thinkers and dearest, has that it repast? are there any of their like around today? it is important to say that marx had the great and if it is not being an academic, he wasn't in university so he didn't have to produce unreadable papers. he was very politically involved, hanging around belsize park and hamstead with his mates. he had this one central insight which

has resonated over these past 200 yea rs has resonated over these past 200 years and has been possible to throw off and that insight is that capital subordinates culture, ethics, the nation, and subordinates the imperatives of the maximisation of returns on investment. this is the insight that he left with us and in many ways, it has permeated all different kinds of political traditions. don't forget you can get in touch with me and some of the team on twitter — i'm @benmbland it is not often we can stand here and deliver good news for a bank holiday weekend but that is certainly what we can do for this early may bank holiday, it is looking pretty low risk for most of us. looking pretty low risk for most of us. but not everywhere has seen blue skies. chilly around the irish sea

coast and into the western parts of scotland. the strong winds continue to affect this part of that uk but hype pressure dominates the bulk of the company —— country and will continue to do so into the bank holiday monday. the breeze easing down overnight across the north—west in scotland. maybe a few spots of rain but elsewhere, a clear, dry, fairly can unite. it could be down to two to four celsius but we start ona to two to four celsius but we start on a lovely, dry and dry note tomorrow morning. again, some sea mist and low cloud around irish sea is and the north west and certainly the northern isles of scotland. warm elsewhere in england and wales, temperatures up to 25 celsius. 0ne bank or they monday, it gets warmer because this area of high pressure

moves further east and allows a south—easterly airflow from the south continent. from the bulk of the country, dry and sunny. turning warm. low cloud and mist and murk. cool across eastern parts of scott and with the flow of the north sea. —— parts of scotland. 26 celsius in the staff, some parts could reach seven “— the staff, some parts could reach seven —— 27 celsius. a record—breaking bank holiday monday. tuesday, subtle changes taking place off the atlantic, cold fronts move in, bringing bands of cloud and maybe a few showers and a drop in temperature. any central and eastern parts of the country will the main warm, dry, and say once again. hot again across the south—east closer to the height teams in the celsius. this is bbc world news —

the headlines. sir alex ferguson, who led manchester united to 38 trophies during 26 years in charge, has had emergency surgery for a brain haemorrhage. russian opposition leader alexei navalny is arrested as he tries to address a protest against president putin. an erupting volcano in hawaii triggers earthquakes, including the most powerful tremor to hit the state since 1975. a space rocket has begun a six—month journey to take a probe to mars, to help scientists study what's beneath the planet's crust.