Silver for Ohuruogu
Defending champion Christine Ohuruogu was narrowly beaten into second place by Sanya Richards-Ross in the Olympic 400 metres final.
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As was the case in Beijing four years ago, Great Britain's Ohuruogu came through strongly in the home straight after sitting off the early pace.
She overhauled everyone except Richards-Ross, but this time, unlike in Beijing, the American held on to take the title in 49.55 seconds.
Londoner Ohuruogu, whose family lives so close to the Olympic site in Stratford that she could walk to the stadium, clocked a season's best 49.70, 0.02 ahead of bronze medalist DeeDee Trotter.
"It was heartbreaking," said Ohuruogu. "To lose my title like that was tough.
"Sanya's a worthy competitor and she ran a good race. I have to be happy with what I've got. It could have been worse.
"I tightened up. I could feel my shoulders lifting, it's really hard to control when you're under fatigue.
"I thought I still had some time but the line came too soon.
"I came here with one thing and one thing only (in mind) and that was to continue my reign as Olympic champion. I'm just a bit disappointed."
For Richards-Ross it was her first Olympic title, completing a full set of titles for the American star.
''I just kept saying, 'You can do this, you can do this','' Richards-Ross said. ''I just dug really deep and I'm very happy.''