A series of explosions believed to be the result of a terrorist attack has rocked the Baksan hydropower station in Russia's Republic of Kabardino-Balkaria. Two people were killed and two more injured in the incident. A group of terrorists forced their way into the territory of the power station on early Wednesday morning. They murdered two security guards, beat up two turbine room mechanics and planted explosive devices, announced the Investigation Committee of the Prosecutor General's Office.Four blasts rocked the power plant, while another bomb was found unexploded and subsequently defused.