The red flag thrown to halt proceedings at Sepang proved to be the final event of the Malaysian Grand Prix, as ongoing torrential rain prevented the remaining runners from taking a restart.
The race started in dry conditions, defying most predictions, but the rain eventually arrived just short of 20 laps, prompting most of the field to pit for full Bridgestone wets within the next two or three tours. The expected downpour took longer to come, however, and Timo Glock showed the intermediates were the way to go initially, scything through the field.
Just as his rivals decided to follow suit, though, the German pitted for full wets, anticipating what was to become a veritable monsoon. Again, the remainder of the field stopped for suitable rubber, with Jenson Button, who had made a poor start, rejoining in the lead, having picked off Fernando Alonso, Jarno Trulli and Nico Rosberg - either on track or as the result of pit-stops - before the conditions degenerated to the point where racing was impossible.
With just 33 of the scheduled 56 laps in the books, half points will be awarded, but Button will be credited with his - and Brawn GP's - second win of the 2009 season.
Behind the Briton, Glock, Nick Heidfeld, Trulli, Rubens Barrichello, Lewis Hamilton, Rosberg and Mark Webber stand to score, although the order may yet be reshuffled according to the point at which the stewards decide to take the result.
Full report and result to follow....