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

A German national suspect on a legal visa allegedly killed a United States Border Agent during a traffic stop in Vermont near the Northern border, Fox News Digital has confirmed.

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

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 spokesperson with U.S. Customs and Border Protection has confirmed to NBC5 that a Border Patrol agent and another person were killed Monday afternoon in an incident in Coventry, Vermont. The FBI said a third person was injured and is now in custody.

A U.S. Border Patrol agent killed during a traffic stop near the Canadian border worked security duty at the Pentagon during the time of the Sept. 11 attacks.

COVENTRY, Vt. (TNND) — A U.S. Border Patrol agent shot and killed during a traffic stop in northern Vermont Monday was a veteran of the U.S. Air Force who worked security at the Pentagon during the Sept. 11 attacks, according to his family and officials.

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

The Vermont State Police is assisting in the investigation of a fatal shooting involving a U.S. Border Patrol agent that occurred on Interstate 91 in Coventry o

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