Lower kurram: As many as 20 people including a woman were killed due to firing by unknown armed persons on passengers vehicles on their way from Parachinar to Peshawar.The incident took place in Ucheat area of Lower Kurram where armed men opened fire on the passenger vehicles on their way from Parachinar to Peshawar..Bodies have been shifted to Ali Zair hospital.According to police armed men started indiscriminate firing on passenger vehicles in Ucheat area of Lower Kurram leaving several passengers killed and injured.On information heavy contingent of police and Rescue personnel rushed to the scene and they shifted the bodies and injured to the hospital forthwith.According to eye witnesses 20 persons were killed on the scene.Passenger vehicles were on their way from Parachinar to Peshawar under security forces. .Federal Interior Minister Mohsin Naqvi condemned the incident and expressed grief over the loss of innocent lives.He prayed for the early recovery of the injured people