three militants are killed in Dagestan 's capital , Dagestan , Russian state media report . CNN 's Nic Robertson and Pierre Meilhan contributed to this report . Investigators say the counterterror operation followed an attack Friday , state media say . Security has been stepped up in Russia ahead of Olympics Friday . Dagestan is about a 12-hour drive from Dagestan , host city for the Games .
three militants are killed in Dagestan 's capital , Dagestan , Russian state media report . Investigators say the counterterror operation followed an attack Friday , state media say . Security has been stepped up in Russia ahead of Olympics Friday . Dagestan is about a 12-hour drive from Dagestan , host city for the Games .