BARCELONA (REUTERS) - Cesar Cielo of Brazil won a second consecutive men's 50 metres butterfly title at the world swimming championships in Barcelona on Monday.

The 26-year-old, a gold medallist in Shanghai two years ago, became only the second man to win the event twice after South African Roland Schoeman with a time of 23.01 seconds.

American Eugene Godsoe took silver in 23.05 and Fred Bousquet of France was third in 23.11.