At least six persons were killed and 27 others injured after a passenger bus collided with a truck here in Kalarkahar on Thursday. According to police a speedy passenger bus carrying devotees to annual religious congregation in Raiwind from Malakand Division while negotiating a sharp turn near Salt Range in Kalarkahar area of Chakwal district, rammed into a truck going ahead. At a result of the accident six people were killed on the spot while 27 others sustained injuries. The motorways police and rescue teams rushed to the scene of the accident and shifted the bodies and 15 injured to District Headquarters Hospital (DHQ) Chakwal while 12 injured people with critical wounds were referred to Fauji Foundation Chakwal. According to hospital sources four among the injured were in critical state. The deceased included Niamatullah, Muhammad Akbar, Muhammad Shafique, Dawood, Iqbal and another person. All the deceased and injured people hailed from Malakand Division and adjoining areas. The police took both vehicles into custody and started the investigation.