Olympic hero Mo Farah was back in London with his wife Tania and new-born twin daughters this morning after savouring the adulation of an adoring crowd on his return to the track.

Usain Bolt was upstaged by training partner Yohan Blake at the Athletissima Diamond League meeting in Lausanne last night.

An injury to Olympic 400m champion LaShawn Merritt was the big talking point of the Diamond League meeting in Monaco last night.

Dwain Chambers admitted emotions had to be “put to one side” as he prepared to compete in his first relay for Great Britain for six years.