OKLAHOMA CITY - Oklahoma City Police are investigating a homicide after an overnight shooting Sunday. 

According to authorities, police responded to a shooting around 11 p.m. Sunday near Southwest 15th Street and South Pennsylvania Avenue. When officers arrived at the scene they discovered 20-year-old Marquez Pettit, shot to death. 

There is currently no suspect information. 

Anyone with information is asked to call the Homicide Tip Line at 405-297-1200. 

This is a developing story.