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(MLive.com | File)

AUBURN HILLS, Mich. (AP) -- Police say two people attacked an off-duty Detroit police officer who was changing a flat tire outside a Kevin Hart comedy show at The Palace of Auburn Hills, and he shot and wounded two people.

Authorities say the 26-year-old officer, a 32-year-old Detroit man and a 31-year-old Harper Woods women were taken to McLaren Oakland Hospital with non-life threatening injuries.

Police tell The Detroit News that the confrontation happened early Sunday just before the start of Hart's second concert.

Authorities say the officer sustained head injuries. A regional police team is investigating the attack, and Detroit police say they're also conducting an internal probe.