UPDATE: Three arrested in shooting

LAWTON--  Three people are in police custody following a shooting Tuesday afternoon in a neighborhood just blocks from Lawton High School.  Police tell 7 News they are looking for additional suspects in the killing of 19-year-old Quinton Pritchett.

The 911 call came in around 3pm after neighbors in the area of NW 12th and Euclid heard a single gunshot.  They told police they came outside and spotted Pritchett lying unconscious, on the ground.

Investigators say they believe the shooting is gang-related.

The shooting caused Lawton Public Schools to postpone the Lawton High vs Eisenhower basketball game scheduled for Tuesday night.  The school district said it was a precautionary measure, since the victim was not a student.  No makeup date has been determined as of now.