Florida authorities say they are investigating a semi-trailer near Walmart after an explosion that forced evacuation on Black Friday.
The deputy sheriff of Hernando County reported the explosion around 5 p.m., called firefighters and asked for a backup, FOX reported 13.
The deputy was in the Walmart parking lot in Brooksville.
The fire ranged from the initial explosion to the swallowing of two more trailers. Authorities said the deputy was able to escape one of the passengers from the trailer of one of the tractors before it caught fire.
One driver said he only arrived and went in when he heard the explosion, ABC Action News reported.
Walmart closed and evacuated shoppers who were there for Black Friday purchases.
The fire was extinguished by 8 a.m. and Walmart has since reopened, WFLA reported.
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The cause of the explosion is still being investigated.
Deputies reported that no one was injured in the blast.