JACKSON (WWJ) – A man is in critical condition and four others are wounded after two shootings in Jackson, Michigan, over the past 24 hours.

Jackson Police Deputy Chief Elmer Hitt said his department is investigating a drive-by shooting on Summit Street Monday night sent four people to the hospital with gunshot wounds to the head.

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Then on Tuesday, shortly before 1 p.m, Hitt said a man shot back after he was struck by a bullet while pumping gas on Francis Street. The victim, a 23-year-old man, was discovered during a traffic stop with a gun shot wound to his leg.

“At this point we do believe today’s shooting is most likely related to the incident last night,” Hitt told WWJ Newsradio 950’s Sandra McNeill.

“There was some surveillance video caught from…the Sunoco station store where it occurred at, and it does appear our victim was shot at first. He then pulled out a handgun and returned fire.”

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The suspect in Tuesday’s shooting was believed to have fired from a blue Ford Escape that was spotted leaving the area.

Hitt said, while an investigation is ongoing, it’s believed that both incidents may have been gang-related.

Hitt said there have been no arrests in connection with either shooting.

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The names of those injured have been released.