CHICAGO (CBS)– A off-duty Chicago police officer was shot during a robbery in Brighton Park.

The shooting took place at the intersection of Pershing and Artesian just before 3 a.m. Tuesday.

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According to Chicago police, an off-duty officer assigned to the 2nd District was entering his vehicle when he was approached by two men.

“One of them displayed a handgun and fired shots,” Police said in a written statement. “The officer was shot in the leg and returned fire. It is currently unknown if the offender was struck.”

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Police said the officer was rushed to Mt. Sinai Hospital and he is in good condition.

No one is in custody and the incident is under investigation.

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This is a developing story.