Ronnie O'Sullivan on shock defeat: 'I was struggling to stay awake'

World number one Ronnie O'Sullivan has been knocked out of snooker's world championship in the first round by amateur James Cahill.

Ronnie O'Sullivan has said that he was feeling "absolutely shattered" after being knocked out of the World Snooker Championship in the first round by amateur James Cahill.

The five-time winner was beaten 10-8 at the Crucible in Sheffield.