A bomb went off on a railroad near the town of Karabulak in Ingushetia at around 2:00 Moscow time. The blast occurred as a locomotive pulling five-oil tank cars was moving on the railroad. The railway track was damaged in the blast but no one was hurt. The blast occurred not far from the Ingoil oil base. Investigators are working at the blast scene. Measures are being taken to detain the people linked to the explosion. The blast yield was equivalent to 2.5 kg of TNT. (Itar-Tass)