parvin kumar ramchurn rounds up all of the night's action. 30—year—old jamaican and 8—time olympic gold medallist, pulled up injured in the men's relay final while running the final leg forjamaica. the race unexpectedly won by great britain, much to the excitement of the home crowd, in london. the united states finished second, with japan taking an excellent bronze medal. meanwhile, in the women's100m relay, there was gold for the united states, with the british team taking silver in a close and exciting race. one of the greatest distance runners of all time, britain's mo farah, also bowed out of track competition at a major championship. the home favourite had been hoping to complete a historic double in the 5000 metres, after already securing gold in the 10,000 metres. however the british athlete was pushed into second place by ethiopian muktar edris. farah, a a—time olympic gold medallist, will now concentrate on the marathon. in the women's100 metres hurdles, there was a triumphant return to london for former olympic champion, sally pears

parvin kumar ramchurn, bbc news.n fighting off an invasion of locusts. swarms of the pests have destroyed thousands of hectares of farmland. the insects can consume their own body weight in vegetation every day. locals try to use loud noises to scare away the pests, banging pots and pans and removing mufflers from cars. that's all for this half—hour on bbc world news. good morning. well, despite a few nuisance showers across north—east england, for many of us, saturday was a promising day. and a ridge of high pressure continues to build through the night, so clear skies here, withjust a little bit more in the way of cloud across the essex and kent coasts, with the legacy of those saturday showers. but, generally speaking, it is quiet start to sunday. it will be a chilly one, not necessarily in towns and city centres, but in rural spots, expect low single figures to greet you first thing this morning. but there will be a light breeze, and with those clear skies comes lots of pleasant sunshine. so not a bad start to th

parvin kumar ramchurn, bbc news.mbledon — moments of sporting history which would be hard to forget. now, a charity is using memories of sporting events to help people living with dementia, and they have just received an archive of 90,000 photographs. the hope is that they will encourage people to make the connections between their long and short—term memory. john maguire has been along to one of the groups, in motherwell, in scotland. remember, at the time of stanley matthews, there was another english guy, another english forward who was looking to be as good. he was a wee bit different player, but they were vying for the top dog, weren't they? what was his name? you would be hard—pressed to beat this team in a football quiz. the depth and breadth of their knowledge is extraordinary. but the difficulty comes in bringing that knowledge to the surface, as they all have dementia. once a week, the charity sporting memories runs this group in motherwell. there are others across the uk. for many, it is the highlight of t

parvin kumar ramchurn, bbc news. of the team on twitter, i'm @duncangolestani stay with us here on bbc news, still to come: a danish inventor appears in court charged with killing a journalist he took on board his submarine. the kenyan human rights commission has blamed police for using excessive force on protestors after results of the presidential election were announced. they claim 2a people have died in election—related violence since tuesday. leaders of the opposition have appealed for calm, but say they still don't recognise the outcome of the election. alistair leithead reports. after a night of violence, the ambulances brought out the injured from the worst—hit neighbourhoods. some had bullet wounds, others machete cuts and head injuries. it's hard to know how many people have been killed or injured in the police crackdown in these opposition strongholds. the clashes continued throughout the day, rock—throwing youths confronting tear gas—firing police. they‘ re dramatic images, and they were intense, but this