annual conferences this weekend. airbnb is improving its security after a bbc investigation found people s homes had been burgled by scammers using stolen accounts. time for some good friday sport and at the bbc sports centre it is you. the former world champion jensen button will replace fernando alonso at the monaco grand prix at the end of may. once you have the right one miss the race to take part in the indianapolis 500 with the full support of the team. he is replaced by his former team mate who is contracted as a reserve driver. well first practice is under way, sebastian vettel has topped the time sheets ahead of the bahrain grand prix, two seconds quicker than his championship rival lewis hamilton, whose tenth. the arsenal manager arsen wegener insists any discussions the clubs board may be having about his future will distract them from doing his job. having about his future will distract them from doing hisjob. he has been speaking about his talisman alexis sanchez
the a 117 year old thought to be the oldest woman in africa. good afternoon. welcome to bbc news. the afghan government says 36 so called islamic state militants were killed when the united states dropped one of its biggest non nuclear bombs in the eastern province of naang gar har on thursday. the commander of us forces in afghanistan generaljohn nicholson said the attack had been coordinated with the government in kabul and that no civilians were harmed. our south asia editor jill mcgivering reports. this is american hard power in action. the moment the us dropped, for the first time, the biggest non nuclear weapon it has. it was a moab, nicknamed the mother of all bombs , and it was targeting underground bases in eastern afghanistan, a stronghold of the so called islamic state group. the us military insists afghan leaders gave full approval. this was the right weapon against the right target. we will continue to work shoulder to shoulder with our afghan comrades to elim