Moscow attacks by Chechen groups?

The bomb attacks that occured yesterday in central Moscow at the metro stations Lubyanka and Park Kultury are thought to be organized by a chechen extremist organization. Despite the suspicions cast on caucasus group, the chechen leader Ramzan Kadyrov said that the terrorists who target inocent civilians should be hunted down and poisoned like the rats. Kadyrov made the statement in the Russian daily Izvestia just a day later after the subway terrorist attack.
Video report Moscow terrorist bombing, footage coutesy of CNN