UPDATE 6:39 P.M.: One southbound lane has been opened after a tractor trailer caught fire near mile marker 129 on I-81.
The backup on I-81 southbound is about eight miles long.
ORIGINAL STORY: A vehicle fire is causing delays on I-81 southbound.
A tractor trailer is on fire at mile marker 129 in Montgomery County. This incident is about 0.6 mile north of Exit 128.
All southbound travel lanes closed.
#BREAKING #TrafficAlert: a tractor trailer fire has southbound lanes of I-81 near the Ironto exit. You’ll want to avoid the area and find an alternate route. @WFXRnews >>> https://t.co/T0zHRkdKhT pic.twitter.com/3uEg8BPeaN— Eric Pointer (@EricPointerWFXR) May 29, 2019