The action in Barcelona starts at 0635 BST with the men's 50km walk which is won by reigning champion Yohann Diniz of France in a time of 3:40.37
The women's 100m hurdles heats provide the first activity back in the stadium where Ireland's Derval O'Rourke posts the third fastest time of the morning with 12.88 seconds
Home favourite Ruth Beitia impresses the local crowd by making smooth progress in the first round of the women's high jump competition
The longest throw of the morning in the men's javelin qualifying round comes from Finland's Teemu Wirkkala whose effort travels 83.57m
World champion Jessica Ennis begins her heptathlon campaign with the 100m hurdles where she shows good form to leave the rest of the field behind
Back in the field events, an effort of 19.81m proves to be enough for Great Britain's Carl Myerscough to make Saturday's men's shot put final
The fastest time of 8:27.32 in the men's 3000m steeplechase is clocked by Mahiedine Mekhissi-Benabbad as runners from France win both heats
Next up for Ennis is the high jump event and she excels again to come out on top with a leap of 1.89m, 3cm ahead of Ukraine's Lyudmyla Yosypenko
Emily Freeman, the only British runner in the women's 200m, takes third in heat two to make the semi-finals which take place in Friday's second session
The second session begins at 1730 BST where there are mixed fortunes for British athletes in the semi-finals of the 110m hurdles with Andy Turner going through and William Sharman getting disqualified
Russian sprinter Aleksandra Fedoriva stars in the women's 200m semi-finals posting the quickest time of 22.63 as Great Britain's Freeman fails to make it through
There is much better news for Great Britain in the men's 200m final where Christian Malcolm is edged into silver by the narrowest of margins by France's Christophe Lemaitre
Chris Tomlinson also has a good night for Britain in the long jump as his leap of 8.20m is third best and sends him into Sunday's final
Ennis finds the going a little tougher in the shot put but her fifth-place finish in the event is enough to keep her 11 points clear of Dobrynska overall
Back on the track there is another close finish in the women's 400m final where Tatyana Firova just beats Kseniya Ustalova as Russia claim all three medals
There is also more medal joy for Great Britain where Turner improves on his semi-final performance to win gold in the 110m hurdles in a time of 13.28 seconds
And the medals keep on coming for GB as Michael Bingham (right) and Martyn Rooney (left) collect silver and bronze in the men's 400m
British team-mate Perri Shakes-Drayton cannot believe her eyes when she realised she has won bronze in the women's 400m hurdles
Jenny Meadows (second right) hangs on to bronze in the women's to take Britain's medal tally to 11
Team GB are likely to win more medals on Saturday, with Jessica Ennis going into the final day of the heptathlon with a 110-point lead over Dobrynska
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