DAMAULI: As many as four persons sustained injuries when the taxi they were travelling on collided with a van at Gunadi in Magde Rural Municipality-1 of Tanahun district on Friday. According to Tanahun District Police Office, the pick-up van (Ba 6 Cha 296) heading to Pokhara from Damauli collided head-on with the taxi (Ga 1 Ja 1819) this afternoon. All the injured including the taxi driver were referred to Bharatpur-based Chitwan Medical College for further treatment. Meanwhile, police said an investigation into the incident was underway.