our top story this lunchtime. the search is on to find a new commissionerfor the uk s largest police force after the resignation of dame cressida dick. and the lost lego still washing up on the shores of cornwall decades after a container ship hit a storm coming up on the bbc news channel, shaun white brings down the curtain on an incredible snowboarding career. the us legend finishes outside the medal spots in beijing after taking part in the half pipe. he said he was proud of his legacy. it s been confirmed that the 15 year old russian figure skater, kamila valieva, who helped her team win winter olympic gold in beijing, failed a drugs test in december. but the positive test result wasn t reported until the day after her medal winning performance. laura scott reports from the games.
the russian olympic committee win gold in the figure skating team event, making olympic history with her routine. the following day, the medals should have been awarded but a swedish laboratory announced her sample from december had come back positive for a banned substance and she was provisionally suspended by the russian anti doping agency. then on wednesday, she successfully challenged that and her suspension was lifted. but that decision is now being appealed by several organisations through the court of arbitration for sport. they need a result quickly because valieva is due to be competing again on tuesday as the favourite for gold. it s the chain of events but again, ultimately, you just feel so sad for the athlete because i cannot in my heart want to think she knew what was going on. another olympics, another doping controversy involving russia. all at a time when the country is serving a two year ban for a state sponsored doping programme. at the heart of it, one