Peter Lawrie has closed to within two shots of the Singapore Masters lead after carding a third round 70 at the Laguna National Golf Club.

Lawrie is in a share of fourth place with Iain Steel, two adrift of the lead shared by Gary Lockerbie and China's Liang Wen-chong on 12-under-par.

Liang, who led after the first round, birdied the 18th for a four-under 68 to join Lockerbie one stroke clear of overnight leader Jyoti Randhawa.

Thongchai Jaidee and Simon Dyson share sixth place on nine-under at the co-sanctioned European and Asian Tour event.

For much of the day, Randhawa and Steel were battling it out for the lead, while Liang and Lockerbie were quietly moving up the leaderboard as the top-two faltered on the back nine.

The 28-year-old Liang registered six birdies and two bogeys and did well to recover from a dropped shot on the first hole that left him four shots behind the leader.

Lockerbie, a European Challenge Tour graduate, surged into the outright lead with four birdies and four pars on the back nine before he missed his six-foot par putt on the last.

Defending champion Mardan Mamat of Singapore was five under after a two-under 70, in which a chip-in eagle at the second was the highlight.