23:55Darts: World Championships - Extra2011Day 7BBC Two Duration: 2 hours Fri 7th Jan 2011, 23:55 on BBC Two EnglandRob Walker presents highlights from the day's action at Lakeside.ContributorsPresenter:Rob WalkerCommentator:Tony GreenCommentator:David CroftCommentator:Vassos AlexanderGenresSportDartsBrandDarts: World Championships - ExtraSeriesDarts: World Championships - Extra: 2011 Source: BBC Online