Osagie storms through to 800m final

Great Britain's Andrew Osagie books his place in the 800m final posting a time of 1:44.74 to advance from heat two alongside David Rudisha of Kenya.

After the race an ecstatic Osagie says he was almost in disbelief that he had run so fast to make it through to the final.

Watch a full replay of the race here via the BBC Interactive Video Player.

Available to UK users only.

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