THIRUVANANTHAPURAM: KSRTC buses collided in Vizhinjam. The accident occurred near the Indian Oil petrol pump after the new bridge in Vizhinjam. The Venad bus, which was going to Thiruvananthapuram, collided with a Swift minibus coming to Poovar. Several people were injured. One person is in critical condition. It is reported that the accident occurred when the bus going from Vizhinjam to Poovar hit the Venad bus coming from the opposite direction.