Police are investigating a shooting that happened outside a Warren bar early Monday.

Callers told 9-1-1 dispatchers they heard several shots fired around West Market Street and Nevada Avenue at around 1:30 a.m.

When officers arrived, they found 18 shell casings from at least two different weapons in the parking lot and street outside the Naus Club.

While still investigating, police got a call that a 26-year-old shooting victim showed up at Trumbull Regional Medical Center.

Dispatchers were told that the man had been shot in the arm