Colombian 400m runner Palomeque suspended by IOC after failing drugs test
12:28 GMT, 4 August 2012
Colombian 400 metre runner Diego Palomeque has been provisionally suspended by the International Olympic Committee (IOC) after failing a drugs test.
The 18-year-old was due to run in the 400m heats on Saturday but was withdrawn following his suspension.
Suspended: Palomeque (right) failed a drugs test
The IOC have also confirmed Russian track cyclist Victoria Baranova's expulsion from London 2012.
The 22-year-old tested positive for testosterone in a sample taken on July 24 in Belarus and her departure from the Games was first confirmed by cycling's world governing body, the UCI.