A four-year-old girl was treated at a D.C. hospital after she walked in Saturday morning suffering from a gunshot wound to her shoulder, according to a report from the Metropolitan Police Department (MPD).

The injury was reportedly self-inflicted and the girl was transported to the hospital by a private vehicle, MPD said.

A police report indicated the incident happened in the 1800 block of 28th Place in southeast D.C.

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The handgun was left by an unknown suspect in an area where the girl was able to access it, police said.

No further details were immediately available.