Ronnie O’Sullivan shows ‘unbelievable’ sportsmanship in incident at World Snooker Championship
O’Sullivan lost the frame after a debate with referee Desislava Bozhilova over a re-spotted black during his quarter-final match with Stuart Bingham
O’Sullivan lost the frame after a debate with referee Desislava Bozhilova over a re-spotted black during his quarter-final match with Stuart Bingham