A man killed three persons including his sister and father and mother in law in the area of Saddar Police Station in Bhakhar. As per details, Ahmad s/o Suliman entered the room of his sister and killed her with knife after he reached at father in law shop in Mulism Bazar and killed him. Later murderer reached at the house of mother in law residence in Jinnah Colony and killed her at the spot. After killing the three person killer escaped successfully. On the tip of news police rushed at the spot and chased the culprit but it could not arrest.