LANDIKOTAL: Thirteen persons including four women and three children sustained injuries in a collision between two vehicles in Sultankhel area in Khyber Agency, sources said on Thursday. They said that a car and passenger van collided in Sultankhel area. Around 13 passengers, most of them Afghan nationals, sustained injuries in the mishap. Doctor at the Agency Headquarters Hospital referred two injured to a hospital in Peshawar due to their serious condition, they added.