Great Britain's James Clegg has qualified for the final of the men's S12 100m butterfly final.
Clegg was one of only three men to go under one minute in the heats.
The 18-year-old won the first heat in 59.99s.
In heat two Roman Makarov of Russia won in 57.53s with America's Ticker Dupree in second with a time of 58.89s.
The final is at 7.02pm tonight.