BIDDEFORD — A man accidentally shot himself in the knee this morning while cleaning his gun, police said.

The man was taken to Southern Maine Medical Center with non-life-threatening injuries from the .45-caliber automatic weapon, said Biddeford Deputy Police Chief JoAnne Fisk.

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“This was nothing more than accidental,” she said.

The incident occurred at 21 Harding St. Fisk did not identify the man.