Two persons were killed and two others injured after two motorcycles collided head-on on the Chennai-Tirupati National Highway near Tiruttani in the early hours of Saturday.According to police, Tharun, 21, of Tiruttani, and his friend Kumar, 24, of Medinapuram, were riding towards Tiruttani from Tiruvallur when their motorcycle collided head-on with another two-wheeler at Lakshmapuram. The other motorcycle was ridden by Sanjeevi Raman, 31, of Chromepet, who was heading towards Chennai from Tiruttani.The impact threw the riders off the vehicles. Tharun and Sanjeevi Raman died on the spot, police said.Meanwhile, Surya, 24, and Naveen Kumar, who were travelling on another two-wheeler towards Tiruvallur, were also injured after reportedly crashing into the vehicles involved in the collision. They were rushed to the Tiruttani Government Hospital in a 108 ambulance and are undergoing treatment.On receiving information, the police reached the spot and removed the damaged vehicles. The bodies of the deceased were sent to the Tiruttani Government Hospital for post-mortem. Further investigation is under way. Published - August 22, 2026 07:54 pm IST