A teenager is facing charges after police say he pushed a 9-year-old boy off the roof of a Bronx building.
17-year-old Casmine Aska is charged with attempted murder.
Police answered a 911 call at 1545 Nelson Avenue at about 8:30 p.m. Friday and found the child unconscious with severe injuries.
The child is in critical condition at the hospital.
Police say the teenager and child know each other, but their relationship is unclear.