A senior police officer in the restive republic of Dagestan was killed in an apparent contract murder, Dagestani police said Tuesday. Magomed-Arip Aliyev, police chief in the town of Buinaksk, died at the scene after armed assailants sprayed his Mercedes 500 sedan with automatic gunfire late Monday. The unidentified attackers fled the scene, regional police spokesman Mark Tolchinsky said. Full Story