Karachi: Bodies of 4 women have been found in a residential building located in market of Liyari Karachi and head of the family and both of the sons have been arrested.Beheaded bodies of 4 women including a 13 years old girl have been found in a flat at 7th storey of residential building. When head of the family reached home till late night he found bodies of wife, daughter, grand daughter and daughter in law in different rooms of the house.Police had collected evidence from home after shifting the bodies to civil hospital.The killer escaped from the scene with murder weapon.