00:10Darts: World Championships - Extra2013Day 5BBC Two Duration: 2 hours Thu 10th Jan 2013, 00:10 on BBC Two Northern IrelandRob Walker introduces action from the evening's second round best-of-7 set matches.GenresSportDartsBrandDarts: World Championships - ExtraSeriesDarts: World Championships - Extra: 2013 Source: BBC Online