LAHORE A schoolboy was killed shortly after he sustained a stray bullet here in Shahdra Town Area, police said on Thursday. Police investigators said that the boy later identified as Muhammad Humair was asleep at the rooftop of his situated in Naseer Park when he sustained a stray bullet in the head. He was rushed to a nearby hospital but died in the way. Police investigators said that the boy fell victim to aerial firing as unidentified gunmen frequently resort to aerial firing in the area.