Ronnie O’Sullivan pegged back by qualifier Pang Junxu in Sheffield

Things are underway at the Crucible. 

Ronnie O’Sullivan has a three-frame lead in Sheffield (Richard Sellers/PA)

Ronnie O’Sullivan’s hopes of cruising into the second round of the World Snooker Championship hang in the balance after an impressive revival by Chinese qualifier Pang Junxu at the Crucible.

The seven-time champion looked set for the convincing victory he craved on the opening day after reeling off the first five frames of their best-of-19 match which will conclude on Saturday evening.