– Colin Montgomerie shares the clubhouse lead with little-known American Marco Dawson on 10-under par, with nine holes of their third round still to play in the Senior British Open on Saturday at Sunningdale Old Course.

Poor light suspended play, five hours after the delayed start to the round. The second round, suspended Friday because of rain, wasn't completed until Saturday mid-afternoon.

At that stage, Dawson led on 8 under, a shot clear of defending champion Bernhard Langer. Montgomerie was on 6 under alongside Fred Couples, Jeff Sluman, Miguel Angel Jimenez, and Peter Fowler.

Montgomerie showed he meant business right from the start, birdieing the first three holes. Then he missed birdie chance after birdie chance before picking up his fourth at the ninth, when play was halted in the gathering gloom.

"I had a great start, and I'm really looking forward to tomorrow," said the Scot, who wants to add his home senior major to the three he has won in America so far.

Dawson also birdied the first, then parred all the way to the ninth, where he also picked up a shot.

"This is just a survival test now," Dawson said. "It was a long day, and it's going to be long again tomorrow."

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