A 91-year-old Michigan man who thought he was being robbed Monday reportedly told a suspect in his 20s that he had a concealed-carry license, and when that didn't work, he pulled the trigger.

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According to WDIV, the elderly man began feeling uneasy when a man his 20s approached him in the parking lot of a Rite Aid in Eastpointe and pointed an unknown object at him.

The alleged would-be robber was said to be acting in an “erratic manner” and followed the 91-year-old man, police said.

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The older man responded by firing a shot, hitting the suspect in the neck, police said.

The wounded man fled the scene but was quickly tracked down by police and taken to the hospital.