It happened just after 6:15 p.m. in the area of East 24th and Carter streets.
Police say they found a 16-year-old boy suffering from gunshot wounds at the scene. He was transported to a local hospital in critical condition.
No arrests have been made and no weapons have been found.
Authorities are still investigating what led to the gunfire in this incident.
Anyone with information is asked to contact the police at 302-576-3633.