Olympic 400m champion banned for 21 monthsLaShawn Merritt, the Olympic 400m champion, has been handed over a ban of 21 months after he was found making use of over-the-counter products.

Merritt returned three positive drug tests and will only be eligible to compete again on 27th July, 2011 that means that he will be free to defend his defend his title at the London Olympics.

The ban on Merritt was backdated to 28 October 2009.