Snooker: World Championship2012Day 8, Part 2BBC Sport Duration: 4 hours, 30 minutesFirst broadcast: Sat 28th Apr 2012, 13:00 on BBC HDLatest broadcast: Sat 28th Apr 2012, 13:00 on BBC Two EnglandHazel Irvine introduces second-round action, where the matches are now the best-of-25 frames.ContributorsPresenter:Hazel IrvineParticipant:Steve DavisParticipant:Ken DohertyParticipant:John ParrottCommentator:Neal FouldsCommentator:Terry GriffithsCommentator:Dennis TaylorCommentator:Willie ThorneCommentator:John VirgoGenresSportSnookerBrandSnooker: World ChampionshipSeriesSnooker: World Championship: 2012 Source: BBC Online