CHICAGO (CBS) — Newly released video shows an off-duty Chicago police officer who fired shots at an armed robber at a North Side pharmacy in April.

The Civilian Office of Police Accountability released the video showing a gunman walking into a pharmacy in the Edgewater neighborhood shortly before 6 p.m. on April 20, and waving the gun at a person who tried to hid behind a display shelf.

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The video shows the off-duty officer sneak into the back office a moment later, and pull a gun out of a drawer, and then fire shots at the armed robber.

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The armed robber ran out the front door of the pharmacy after the officer opened fire.

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No one was injured, and no one was in custody for the robbery attempt as of Wednesday morning.