A U.S. Border Patrol agent was fatally shot Monday on a highway in northern Vermont south of the Canadian border, authorities said. The death was confirmed by the FBI and Benjamine Huffman, acting secretary of the Department of Homeland Security in Washington.

A US border patrol agent was fatally shot on Interstate 91 in Coventry, Vermont, near the Canadian border. A suspect was killed and another was injure

The FBI is investigating a Border Patrol agent–involved shooting, according to a statement from the Vermont State Police.

Officials said the agent was shot “in the line of duty” on Interstate 91, which was closed for several hours near the border with Canada.