The action hots up on the track, with an early heat in the men's 100m

South Africa's Natalie du Toit gets on her way to victory in the 100m freestyle, one of five golds she has her eyes on

Thirteen-year-old Eleanor Simmonds causes an upset when she powers to victory in the 100m freestyle

Britain's Dave Weir is also targeting five golds, and gets his campaign under way with an easy 400m heat win

Australia's Liesl Tesch looks to pass under pressure from Brazil's Lia Soares Martins in a 66-30 group win for the Aussies

Havoc hits the closing stages of the women's 5,000m after the race leaders clip wheels with two laps to go

Edith Hunkeler of Switzerland and Gunilla Wallengren of Sweden both have to be helped off the track following the crash

Diane Roy of Canada takes advantage of the spill to snatch gold while Britain's Shelly Woods wins silver

Weir is back on the tack in the evening session to ease to victory in his 5,000m heat

South Africa's Oscar Pistorius eases to victory in the semi-finals of the men's 100m - the first of his three events

Gou Dingchao of China, Franc Pinter of Slovenia, Nathan Milgate of Great Britian and Cedric Friggeri of France line up their air rifles in the shooting competition