21,unidentified armed men broke into the North Caucasus region at dawn, a hydropower station,killing two security personnel and installing explosive devices in the coach outlet generator room, triggering a series of explosions and fires.

Investigators initially believed that this was a terrorist attack, several suspects have been locked. Russian Prime Minister Vladimir Putin convened an emergency response officials to ensure that the local power supply.

Kabardino - Balkar Republic of police told AFP, 3-5 21 armed men about 5 pm (GMT 9:00) Chuang Rubakesang station, killing two security personnel and stole their weapons, then "install explosive device in the room," to blow up two cheap coach bags and turbines.

Local emergency officials should confirmed two turbines damaged, "while a turbine unspoiled, but station has stopped running."

According to the Russian independent television reports back from the scene, there were four explosions.

Explosion caused the fire, spread to about 250 square meters. Police said the two station staff were injured, one seriously, have been hospitalized.

In the Kabardino-station attacks - Balkar Republic. Kabardino - Balkar Republic and the Republic of Ingushetia near Chechnya,coach handbags were members of illegal armed activities on the Russian North Caucasus region frequently.