Hijjah 29, 1431, Dec 05, 2010, SPA -- Thirteen persons were killed and four others injured when a car collided with a Karnataka State Road Transport Corporation bus on Saturday at Koppergoan, about 22 km from here in south Indian state of Karnataka, police was quoted as saying by the Press Trust of India. The victims, hailing from Lathur in Maharashtra, were returning home after a pilgrimage to Tirupati in Andhra Pradesh, Superintendent of Police Satish Kumar said. Of the four injured persons, the condition of two is critical, he said, adding that the bus was going to Hyderabad from Basavakalyan.