A U.S. Border Patrol agent in the line of duty and another person were killed Monday in Vermont, just south of the Canadian border, in a shooting incident, officials say.

A U.S. Border Patrol agent was shot and killed in northern Vermont Monday afternoon, the FBI said in a statement later that evening. The shooting took place on Interstate 91 in Coventry, Vt.,

FBI Albany said they are investigating "an alleged assault on a federal officer in connection with a fatal shooting involving a U.S. Border Patrol Agent."