A Fed Ex truck fire shut down State Route 31 in Union County Tuesday morning.
The Union County Sheriff's office said the fire started around 5:00 a.m. just north of Byhalia.
Fire officials said the back tires of the trailer caught fire and spread into the trailer.
Firefighters said the driver of the semi unhooked the trailer from the truck once he saw the fire, and drove down the road to escape the flames. The driver was not injured.
Firefighters said they were concerned that the fire would spread because the trailer was hauling containers of lighters.
The southbound lanes of S.R. 31 were closed until the trailer could be removed.
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