BUDAPEST, Hungary -- The International Weightlifting Federation says 11 more weightlifters, including six silver and bronze medallists , have tested positive in retests of samples from the 2012 London Olympics.

The IWF said Wednesday in a statement that all 11 athletes, who include four Russians, have been provisionally suspended until their cases are closed.

So far, weightlifters have produced a total of 31 positives in doping retests carried out on samples taken at the 2008 Games in Beijing and the London Games.

More coming.