Four persons including two women were killed and 15 others sustained injuries in a collision between passenger bus and truck here on Tuesday. According to police, the incident occurred on Muzaffargarh-Dera Ghazi Khan Road near Turkey Colony, when a passenger van (LZK4179) on the way to Muzaffargarh rammed into a truck (Queeta-941). Resultantly three persons identified as Fakhara Bibi, Hanifian Bibi and another were killed on the spot, while 15 others sustained injuries. The injured were shifted to Muzaffargarh DHQ Hospital where one of them succumbed to his injuries, while two others are said to be in serious condition. The City Police registered a case and started investigation.