As of 6:45pm, Interstate 81 northbound is closed at the McAdoo exit due to a multi-vehicle accident.
Just after 6:30pm, emergency personnel were dispatched to the area of mile marker 138.9 for a crash.
The first unit on scene reported 7 vehicles involved as well as a tractor trailer.
Additional medic units were called for multiple victims.
The northbound lanes have been shut down at the McAdoo exit.
More details as information becomes available.