Eleven Interior Troops died in Urus- Martan district of Chechnya on Monday, a source at headquarters of the federal force in the North Caucasus told Interfax on Tuesday. \"Servicemen driving on an UAZ truck were ambushed in Urus-Martan district on Monday. Rebels blasted the vehicle and opened fire at the servicemen,\" the source said. An armored vehicle drove to the clash area as reinforcement but was also blasted and the servicemen in it came under fire. \"As a result 11 Interior Troops died, five were wounded and one is missing in action,\" the source said. (RFE/RL)