13:00Snooker: World Championship2015Wednesday, Quarter-Finals, Afternoon, Part 1BBC Two Duration: 1 hour Wed 29th Apr 2015, 13:00 on BBC Two Northern IrelandHazel Irvine introduces action from the morning's quarter-finals and looks ahead to the afternoon's matches.GenresSportSnookerBrandSnooker: World ChampionshipSeriesSnooker: World Championship: 2015 Source: BBC Online