MOSCOW — The IAAF wants two Russian race walkers to be stripped of medals from the 2012 London Olympics because of doping, the Russian anti-doping agency said Thursday. The IAAF said Wednesday it has lodged an appeal with the Court of Arbitration for Sport against the “selective” doping bans handed to six Russian athletes earlier this year, arguing that the Russian agency decision wrongly let some results stand. The agency, Rusada, confirmed in a statement Thursday that a key focus of the appeal is that “the IAAF did not agree with our decision to leave in force” results for walkers Sergei Kirdyapkin and Olga Kaniskina at the London Olympics. — AP