A person suffered critical injuries after being shot during an incident involving the United States Border Patrol in Arizona the morning of Jan. 27.

The Pima County Sheriff’s Department said it responded to a shooting involving Border Patrol in Arivaca, an unincorporated community the southern part of the state about 10 miles north of the border with Mexico.

“We are working in coordination with the FBI Phoenix-Tucson Office and U.S. Customs and Border Protection” the sheriff's department posted on social media.

The shooting took place about 7:30 a.m. local time near milepost 15 of West Arivaca Road, the Santa Rita Fire District said. The person was taken to a hospital with life-threatening injuries, local officials confirmed.

The identity of the person shot was not immediately known and the circumstances that led up to the shooting were not clear.