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

Local law enforcement, state officials and the Border Patrol itself issued statements in the wake of the tragic incident.

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

Federal authorities say another person was killed during the incident while a third was injured and taken into custody.

"On Monday, January 20, Border Patrol Agent David C. Maland passed away in the line of duty. Agent Maland succumbed to injuries caused by gunfire following a traffic stop in Coventry, Vermont. U.S. Customs and Border Protection’s thoughts and prayers are with Agent Maland’s family during this difficult time."

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."

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

COVENTRY, Vt. – A U.S. Border Patrol agent was killed Monday in northern Vermont south of the Canadian border, authorities said. The Department of Homeland Security’s U.S. Customs and Border Protection said in a statement that the agent was killed in the line of duty, although it did not provide details.

A U.S. border patrol agent and another individual were killed in a Vermont incident, confirmed by U.S. Customs and Border Protection.

The incident took place on Interstate 91 around 3:15 p.m., according to Vermont State Police ... Peter Welch, D-Vt., and Rep. Becca Balint, D-Vt. — expressed their condolences in a joint ...

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