emma heyward has more. >> reporter: in dense woodland the charred shell of the bus and truck. the coach has been entirely burned out. it was carrying a group of elderly people who just left a village a few kilometers away. they were going on a day trip. the crash happened on a bend in the road, which local people say is tricky to navigate. the bus and timber truck caught fire when they collided, leaving some passengers trapped. >> translator: the driver of an empty timber truck lost chrome of his vehicle. the vehicle blocked the road, and the bus arrived at that moment. the bus driver saw that the accident was going to happen and did everything to avoid it but did not manage it. he managed to activate the opening the emergency doors to allow a few people to get out. >> reporter: the emergency services arrived by road and air. more than 40 people are now known to have perished in the fire. the french president called the accident an immense tragedy. france's prime minister has traveled to the scene to meet survivors and rescuers. >> translator: it's a terrible sthot for this ar

on friday as emma heyward reports. >> reporter: after more than 5,000 days inside guantanamo bay he was finally back on british soil. flown back to an airport on the edge of london. a moment his family and campaigners are longed for. >> shaka will have a mix of euphoria, because he was never sure it would happen. at the same time it's a crashing back down to earth where he has to figure out what's wrong with him physically. he's going to have to start reshlg his relationship with the family. he hasn't seen his wife and kids since they were very small. in the case of farris, he never met his child at all. imagine going through that as a parent? >> reporter: during his incarceration he wasn't charged with anything. he was detained while working for a charity. in 2002 he was transferred to guantanamo bay. by 2007 the bush administration cleared him for release. still in custody in 2009 when the obama administration also cleared him for release. he went on hunger strike sever times, one of the many prisoners to protest in this way. campaigners say he was held in a appalling conditions, some