16:05Snooker: World Championship2015Tuesday, Quarter-Finals, Afternoon, Part 2BBC Two Duration: 3 hours Tue 28th Apr 2015, 16:05 on BBC Two WalesHazel Irvine introduces quarter-final action, with the second two matches getting under way. Matches are the best-of-25 frames, played over three sessions.GenresSportSnookerBrandSnooker: World ChampionshipSeriesSnooker: World Championship: 2015 Source: BBC Online