One man is dead and another is claiming self-defense after an early Sunday shooting sparked by a suspected robbery.

Shortly after 3:30 a.m., officers from the Indianapolis Metropolitan Police Department were called to the 3000 block of Bavarian West Drive on a call of a person shot.

Upon arrival they found a 20-year-old man unresponsive and suffering from a gunshot wound inside an apartment, police said. Medics tried to revive him, but he was pronounced dead at the scene.

Police spoke to the resident of the apartment who told investigators that he shot the man in self-defense. Officials said the shooter is cooperating with police and has not been taken into custody.

Fox59 reports that officers at the scene said the incident began with an attempted robbery. Additional information about the shooting is not being released at this time.

Anyone with information is urged to call lead investigator Det. David Everman at (317) 327-3475 or Crime Stoppers of Central Indiana at (317) 262-8477.

This story will be updated.

Call IndyStar reporter Justin L. Mack at (317) 444-6138 or email him at justin.mack@indystar.com. Follow him on Twitter: @justinlmack.