Great Britain's Olivier Hynd has clinched the fourth-best time in the men's 100m S8 butterfly heat, with Charles Rozoy of France setting a new Paralympic record.
The Brit set a time of 1:07.62 and tried to put pressure on his opponents, but Rozoy, who lost his left arm in a motorcycle accident, stormed through the final length to record a time of 1:01.18.
Russia's Denis Tarasov recorded the second-best time of 1:05.22, while Jaime Galindo of Spain finished third in the heat.
Meanwhile, Britain's Sean Fraser finished third in his butterfly heat.