Charl Schwartzel recorded a round of 68 to move to tied-second as round two of the Malaysian Open came to an early close.
The South African hit six birdies to move up the leaderboard before a storm and darkness resulted in half the field still requiring to complete their second rounds.
First-round leader Kiradech Aphibarnrat has remained in top spot, taking his score to 10-under-par after nine holes of his round.
Italy's Edoardo Molinari has started his second round well, moving to eight-under-par, while British duo Scott Jamieson and Lee Slattery are in fifth place on six-under.
World number three Luke Donald has moved to level-par after seven holes.