By CBS 2 Chicago Staff

CHICAGO (CBS)– An East Chicago, Indiana officer is recovering in the hospital after being shot while off-duty.

According to the Lake County Sheriff’s Department, shots were fired during an altercation in the 4700 block of Indianapolis Boulevard in East Chicago around 8 p.m. Sunday.

READ MORE: Judge Bars Chicago Police Union President John Catanzara From Encouraging Officers To Defy City's Vaccine Mandate

The off-duty officer and a civilian were both shot and a third person was injured. The officer was last listed in critical condition.

READ MORE: Chicago Weather: Chilly Tonight, Sunny And Cool Weekend

Police have a person of interest in custody.

This incident is under investigation.

MORE NEWS: Sky Cruise To 86-50 Win Over Mercury, Take 2-1 Lead In WNBA Finals

Also From CBS Chicago:

CBS 2 Chicago Staff