(CNN) At least three men were killed in a shooting Thursday at the Fifth Third Center in Cincinnati's Fountain Square, and two others were injured, Cincinnati police Chief Eliot Isaac said.

The suspect was shot multiple times as four police officers approached. He died at the scene, Isaac said.

The three men killed were Luis Felipe Calderon, 48; Pruthvi Raj Kandepi, 25; and Richard Newcomer, 64, according to Dylan Wical of the the Hamilton County Coroner's office.

The chief later identified the shooter as Omar Enrique Santa Perez, a 29-year-old man from the town of North Bend, Ohio. The gunman had a pistol and more than 200 rounds of ammunition, the chief said.

Investigators searched the gunman's residence but there was no immediate indicator of motive.

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