Usain Bolt achieves history by winning back-to-back Olympic 100m and 200m titles as he leads a Jamaican clean-sweep
World record-holder Ashton Eaton leads a US one-two in the decathlon ahead of two-time world champion Trey Hardee
Allyson Felix leads US gold rush with victory in the 200m while Aries Merritt and Brittney Reese also prevail
Robbie Grabarz won bronze in the high jump while Sally Pearson storms to Olympic 100m hurdles record
Teenager Kirani James adds the Olympic 400m crown to his world title from Daegu, while Dai Greene finishes fourth in the 400m hurdles
World silver medallist Hannah England makes a strong return to form while Lisa Dobriskey and Laura Weightman also qualify by right
Christine Ohuruogu wins Britain’s fourth medal of the athletics programme with silver in the 400m
The face of 2012 Jessica Ennis wrapped up the Olympic heptathlon title with a UK record of 6955