Rishi Persad presents live coverage of the morning session on day 12 at the Crucible Theatre in Sheffield, featuring the conclusion of one quarter-final and the second and penultimate session of another. John Higgins edged past Mark Williams 13-12 at this stage last year. With commentary and analysis from Steve Davis, Ken Doherty, Steven Hallworth, Stephen Hendry, John Parrott, Joe Perry, Dennis Taylor and Lee Walker