Kazan: Britain's Adam Peaty and American Katie Ledecky broke world marks in the men's 50m breaststroke and women's 1500m freestyle events respectively at the FINA swimming world championships yesterday.


Britain's 50m breaststroke world record-breaker Adam Peaty  

Peaty clocked 26.62secs in the semi-finals to break the previous mark of 26.62secs set by South Africa's Cameron van der Burgh earlier in the heats yesterday. Ledecky, meanwhile demolished her own world record, knocking 2.23 seconds off her own personal best to clock 15 minutes, 25.48secs.