GENEVA -- Three Romanian weightlifters, including two medalists, have been retrospectively disqualified from the 2012 London Olympics after fresh analysis found traces of banned substances in their urine samples, the International Olympic Committee (IOC) announced on Wednesday.

The disgraced weightlifters were Razvan Martin, a bronze medalist in the men's 69kg category, Roxana Cocos, a silver medalist in the women's 69kg category, and Gabriel Sincraian, who competed in the men's 85kg event.

Reanalysis of Martin's samples resulted in a positive test for dehydrochlormethyltestosterone, metenolone and stanozolol.

Cocos and Sincraian both tested positive for metenolone and stanozolol.

The IOC has been storing samples from the Olympic Games since Athens 2004, and has reanalysed them systematically.