A U.S. Border Patrol agent was fatally shot on a highway in northern Vermont south of the Canadian border, authorities said.

Officials said the agent was shot on Interstate 91, which was closed for several hours near the border with Canada.

A U.S. Border Patrol agent was fatally shot Monday afternoon in Vermont, state police said. Federal authorities are investigating.

A United States Border Patrol agent was shot and killed in Vermont on Monday, according to The Department of Homeland Security.

The Border Patrol agent was reportedly shot dead by a suspect referred to as a "visa overstay,” who has also been killed.

A U.S. Border Patrol agent was shot and killed on Monday while on duty, acting Secretary of Homeland Security Benjamine Huffman said in a statement.

A U.S. Border Patrol agent was killed in a shooting on Interstate 91 in Coventry, Vermont, just south of the Canadian border, according to the FBI. A suspect in the shooting was also dead. A second suspect was injured and taken into custody, the FBI’s Albany office confirmed.

Vincent Illuzzi, the Essex County state’s attorney, described the shooting as happening during a traffic stop. He said he believed the stop was related to immigration enforcement.