5:00 p.m. - UPDATE
Authorities have identified the four people who died in a crash on I-81 North in Montgomery County.
The driver of the 2018 Chevrolet was identified as Douangpee Amnatkeo, 54, of Shippensburg, Pennsylvania. Two of the passengers were identified as Monthy Matnopaseuth, 39, of Reading, Pa., and Ericssan Kathpratoum, 13, Shippensburg, Pa. Both died at the scene, according to police.
A third passenger, Samiane Kothpratoum, 37 of Shippensburg, was taken to Roanoke Memorial Hospital by helicopter where authorities said he later died.
Authorities said that the driver of the tractor-trailer involved in the accident was not hurt.
6:50 a.m. - UPDATE
We have learned that four people have died after crashing on Interstate 81 northbound in Montgomery County.
State Police tell us that at about 3:30 a.m. Tuesday morning, a Chevrolet SUV was traveling northbound when it lost control, spun out and was hit by a tractor-trailer.
Another crash happened shortly after and no one was hurt, according to Virginia State Police.
Three people in the SUV died at the scene and a fourth was flown to Roanoke Memorial, where they later died.
We will continue to update this article as we learn more.
Traffic is being detoured off Interstate 81 northbound at exit 118 in Montgomery County. Traffic will move onto Route 11 to bypass a crash.
The interstate will be closed for an extended period of time, according to Virginia State Police, who tell 10 News this is a multiple-vehicle crash involving two tractor-trailers and four passenger vehicles.
There are multiple injuries, according to police.
As of 5:10 a.m. Tuesday, backups were reported to be at least 1.5 miles, and traffic was at a standstill.
This comes after Interstate 81 was shut down Monday afternoon in Montgomery County due to multiple crashes.
This is a developing story and we’ll have updates as we get them right here.