Two kids fought over grabbing the ball at Tughlakabad Extension which lead to a scuffle.
In fit of rage, the elder child attacked the younger one with a knife that was lying near the place, police said.
He hit him on his neck, leading to a rupture in the vein. The child died of excessive bleeding. A FIR was registered at Govindpuri police station. The attacker was taken to a home for juveniles.
OneIndia News (With inputs from Agencies)