Olympic champion Usain Bolt obliterated the opposition to win the 100m at the Golden League meeting in Paris in a stunning time of 9.79 seconds.
Running in pouring rain and into a strong headwind, Bolt made an indifferent start but powered into the lead in the latter part of the race.
Britain's Simeon Williamson was off the pace, finishing sixth in 10.14.
His GB team-mate Phillips Idowu came through to win the triple jump with a leap of 17.17m at the Stade de France.
Idown beat the Cuban trio of Yoandris Betanzos, Alexis Copello and David Giralt, who all head him in this year's world rankings and the 30-year-old knew it was important psychological blow with the World Championships in Berlin just a few weeks away.
"I'm happy, this is my first victory in this stadium," said Idowu.
"Today winning was the most important thing. If I can win and jump well in these conditions, I will be able to do very well in Berlin.
"I know that - and they know it too."
The focus of the world's best athletes will soon shift to Berlin, and Bolt's performance served as a warning to any sprinter who believes they can challenge for the gold medal.
"It's a measure of his calibre and his status these days that many here would have gone home disappointed that he didn't break the world record," said Radio 5 Live athletics correspondent Mike Costello.
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