More live coverage on the penultimate day of action from Gothenburg.
Melanie Neefwill be hopingto lead the British 4 x 400 metres women's relay team into tomorrow's final. The team snatched a bronze at the last
World Championships two years ago in Stuttgart, with Sally Gunnell anchoring the team home. The British men's one-lap relay team is also in first round action, and there'll be a roundup of all the day's news, results and medal winners at the Ullevi Stadium.
Tonight's key events are: at 7.20 the women's 4 x 400 metres relay first round, and at 7.50 the men's4xmetres relay first round.