Ding Junhui held off a stern challenge from fellow Chinese player Liang Wenbo to reach the second round of the snooker world championship on Tuesday. The world number 11 lost four consecutive frames in the afternoon session at Sheffield's Crucible Theatre, failing to pot a single ball for an hour, to trail 8-7. However, the 22-year-old recovered his poise to rattle in a 111 break and went on to win 10-8. Ding will play seven-time former champion Stephen Hendry in the second round. World number two Stephen Maguire has, meanwhile, been interviewed by police as part of an inquiry into alleged match