A Vermont Border Patrol agent was killed after a traffic stop of a migrant turned deadly near the northern border, sources said.

The officer was gunned down on Interstate 91 near Coventry around 3:15 p.m. Monday.

Law enforcement sources told The Post that the Border agent had been on the job for 13 years.

At least two suspects were in the car that was pulled over, and at least one of them is dead. The shooter’s immigration status was unclear.