KARACHI - Three brothers were killed and another injured after the wall of their house collapsed in Gilgit Colony, Korangi within the limits of Zaman Town police station.They were taken to the Jinnah Postgraduate Medical Centre (JPMC) where three of the brothers, Shahab Uddin 3, Adeel 5 and Saud 7 succumbed to their injuries while another, namely small boy, four-year-old Shiraz was still admitted to the hospital. SHO Dilawar Jokhio said that the tragic incident took place when the victims were playing in the courtyard of their house a wall suddenly collapsed on them while the victim’s eldest brother remained safe in the mishap as he was sleeping in the room. The officer said that the victims’ father is a labourer the bodies of the victims were handed over to their families.