Adam Peaty sets 100m breaststroke world record

Adam Peaty sets a world record in the 100m breaststroke on the penultimate night of the British Swimming Championships.

Peaty, 20, already held the 50m world record time and won European and Commonwealth titles during 2014.

He finished in 57.92 seconds, beating the previous mark of 58.46 set by South Africa's Cameron van der Burgh at the London 2012 Olympics.