Four servicemen of the Russian Interior Ministry Forces died and four were injured in a police operation in the Kizlyar district of Dagestan on Friday, the Russian Investigation Committee told Itar-Tass. "Servicemen of the Interior Ministry Forces clashed with a group of militants near Chernyayevka," it said. Reinforcements were sent to the clash scene, but the active operation was suspended in the dark. Five militants are dead. They are being identified.