An explosive device was detonated at 10:20 Moscow time at a gas station in the village Sagopshi in the Malgobek Region of Ingushetia. The police patrol car was driving up to the gas station at the moment of the blast, a source in the republican investigation department of the Russian Investigation Committee told Itar-Tass on Saturday. Two policemen were killed in the explosion, and another one was hospitalized with injuries. The team of detectives is working at the blast site.