KOHAT: At least three persons died and another injured in deadly road accident on Sunday morning. Rescue sources said that due to over-speeding and careless driving, a truck collided with a van at Indus Highway near Baqi Zai area of district Kohat. Three people died on the spot while another was critically wounded. The bodies and injured were moved to local hospital. The police took both vehicles into custody and after registering a case against truck driver who managed to flee from the scene of accident. Police have started further investigation.