Violence erupted outside Chaucer's Sushi and Grille early Friday morning.
Police arrived to investigate a shooting in the parking lot around 3 a.m. One person was shot in the leg outside the Arlington restaurant in the Lincoln Square shopping center.
The injured victim arrived at an area hospital in a private car. Authorities say the victim will survive his injuries.
It's not clear what led to the violence but police say "lots of folks" were leaving when they got there.
Officers talked to witnesses and are continuing there investigation and search for the shooter.
As of 8 a.m., police have not located the shooter.