A person was critically injured following a shooting incident involving U.S. Border Patrol in southern Pima County, Arizona, according to authorities. The unidentified individual was shot near milepost 15 of West Arivaca Road at approximately 7:30 a.m. Tuesday and transported to a hospital in critical condition by Santa Rita Fire District personnel.

The Pima County Sheriff’s Office confirmed the incident occurred in an unincorporated community about 10 miles north of the Mexican border. Law enforcement is coordinating with the FBI Phoenix-Tuscon Office and U.S. Customs and Border Protection on the investigation, though details regarding the circumstances leading to the shooting remain unclear at this time.

No information has been released about injuries to law enforcement personnel or additional individuals involved in the incident. The sheriff’s office stated it is actively working with federal partners to determine the full scope of events.