Russian security forces killed two suspected fighters in a gunfight at a private house in Dagestan, Interfax reported on Sunday, quoting local authorities. Police stormed the house in a village near Khasavyurt, a town about 80 km (50 miles) west of the provincial capital of Makhachkala. Two unidentified fighters were killed in a shootout with security forces, a local law enforcement official said. \"They opened fire in response to calls for surrender,\" the official was quoted as saying.