At least six people were killed and four other injured in an attack on a passenger van in Hangu district of Khyber Pakhtunkhwa on Saturday. According to police, the incident took place in Zargari area. The police believe the man who opened fire on the van, Haji Shakeel, had a feud with one of the passengers, identified as Haji Habib. Local authorities said the bodies and injured have been shifted to the District Headquarters Hospital. The police said raids were being conducted to arrest the attackers. Police arrived at the place of incident immediately and starting gathering evidences. Police said it was investigating all aspects of the incident. The van was on its way to Zargeri and the attack occurred in the jurisdiction of the District Hangu police. The DPO said that the area has been locked down while the police search for the assailants.