KABUL - Taliban insurgents blew up a power station in the southern Afghan province of Helmand on Saturday, killing two people and wounding eight, police said. The power station, in the district of Girishk, is the main source of electricity for the area.“Two employees of the station were killed and eight other people including two passers-by were wounded in the explosion,” said provincial police chief, Hussain Andiwal. “The building was damaged but the power supply machinery is safe,” he said.