DERA GHAZI KHAN (INP): A head-on collision between two passenger vehicles left 14 people injured here on Monday. Police said that the accident took place near Kot Qaisrani area of tehsil Taunsa where two passenger vans collided. As a result 14 passengers sustained injuries who were shifted to THQ Hospital Taunsa where according to hospital sources condition of two injured people is serious. The police impounded both the vehicles and registered a case.