Pakistan, July 29 -- Series leader Oscar Piastri grabbed an early lead and extended his title advantage on Sunday when he drove to a perfectly-controlled triumph ahead of McLaren team-mate and title rival Lando Norris at a rain-delayed Belgian Grand Prix.

The 24-year-old Australian managed his tires expertly to remain out of reach in the closing laps as the Briton, 25, who had started on pole, closed in on a harder-wearing compound, finishing 3.415 seconds clear as McLaren reeled off their sixth 1-2 in a dominant season.

It was Piastri's first win at the classic Spa-Francorchamps circuit, his sixth this season and the eighth of his career, extending his lead in the drivers' championship to 16 points after 13 of this season's 24 races. F...