SNOOKER star Zhao Xintong was left baffled when he accidentally broke a POCKET during his World Championship semi-final against Ronnie O’Sullivan.

The 28-year-old was 4-3 down when the mishap occurred.

A snooker table leg breaks during a match between Ronnie O'Sullivan and Zhao Xintong.A shot from Zhao Xintong broke the table during the World Snooker Championship semi-finals

After he potted the black to go 66-32 up in the frame, Zhao paused for a brief moment while two reds hit the floor.

The TV camera then panned to the corner of the table, were it was revealed that a pocket had become loose.