A CCTV footage unveiled real cause of death of two little boys as one of them breathed his last inside the car in which they locked themselves up while the other died in hospital in Gulistan -e-Jauhar in Karachi.The CCTV footage found in Bloack 19 in Gulistan-e-Jauhar showed that both the boys approached the vehicle while busy in playing. Both the barefooted children opened the door of the vehicle and entered it and continued to play inside by closing the door.Both children locked themselves un inside the car for several hours, resulting in death of one of them.