Two persons were killed and five injured when the police opened fire to control villagers protesting against the setting up of a thermal power plant in Andhra Pradesh's Srikakulam district on Monday. "Two persons were killed and five sustained injuries in the incident at Vadditandra village," said Srikakulam Superintendent of Police K V V Gopal Rao, adding several policemen had been injured in the incident. The situation at the project site continues to be tense.