Christine Ohuruogu looks impressive as she makes her competitive comeback and reaches the 400m semi-finals

Part-time health advisor Laura Turner makes easy progress into the 100m quarter-finals in 11.49 seconds

It's a day to forget for Andrew Lemoncello in the steeplechase heat as he finishes last, describing it as "horrible"

Jefferson Perez immediately collapses to the ground with cramp and receives help after winning the 20k walk title

But it was an early bath for walker Andre Hohne, who plunges into the steeplechase water jump after being disqualified

Heptathlon leader Carolina Kluft continues to dominate as she leaps to a season's best of 6.85m in the long jump

Lyudmila Blonska beats Kluft's jump with a personal best leap of 6.88m to consolidate her silver medal position

Britain's Kelly Sotherton also claims a personal best in the pit to remain in third spot behind Kluft and Blonska

Kluft still leads going into the 800m, while Sotherton must beat Austra Skujyte by 2.5 seconds to snatch bronze

Sotherton produces the required margin in the 800m to take bronze, finishing second behind Britain's Jessica Ennis

Lyudmila Blonska takes silver, while Kluft celebrates her third world championship title and leads a lap of honour

Asafa Powell leads his 100m semi-final but eases off to qualify second behind Derrick Atkins - Craig Pickering is off the pace

Tyson Gay wins the other 100m semi-final in 10.00sec, while Britain's Marlon Devonish qualifies in second place

Mark Lewis-Francis misses out on a place in the final in fifth place, just a hundredth of a second behind Olusoji Fasuba

Tyson Gay overhauls Asafa Powell in the final of the men's 100m and claims the gold medal with a time of 9.85sec

Derrick Atkins takes silver behind Gay and Powell collects bronze, while Britain's Marlon Devonish finishes sixth

Valerie Vili snatches gold in the women's shot from defending champion Nadzeya Ostapchuk with a final throw of 20.54m