Authorities say a U.S. Border Patrol agent was fatally shot Monday afternoon while conducting a traffic stop on Interstate 91.

An investigation was underway on Tuesday near the United States’ border with Canada, where an agent was fatally shot “in the line of duty,” authorities said

A U.S. Border Patrol agent was fatally shot during a traffic stop near the Canadian border on Monday, according to officials.

A section of Interstate 91 in Vermont was closed Monday after Vermont State Police said a U.S. border patrol agent was shot.

Agent David “Chris” Maland died in a shooting following a traffic stop, the FBI said. A second person killed in the incident was a German national in the country on a current visa, authorities said.

One suspect is dead and another is in custody after a U.S. Border Patrol agent was fatally shot in the line of duty in northern Vermont on Monday afternoon, federal authorities confirmed.

Governor Phil Scott identified David Maland as the fallen officer, extending his “heartfelt condolences to Agent Maland’s family, friends, and colleagues."

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

Connecticut man stole a fire truck and impersonated police on I-91, later arrested by Massachusetts State Police.

A Connecticut man was arrested after he used a stolen fire department pickup truck to pull over drivers on Interstate 91 in Western Massachusetts early Saturday, according to the Massachusetts State Police.

The agent's death Monday afternoon was confirmed by the FBI and Benjamine Huffman, acting secretary of the Department of Homeland Security in Washington. The injured suspect was taken into custody after the violence on Interstate 91 in Coventry, about 20 miles (32 km) from the Canadian border, the FBI said in a statement.

The fatal encounter occurred around 3:15 p.m. EST Monday on Interstate 91 in Coventry, about 13 miles south of the Canadian border.