The Nampa Fire Department responded at around 1 a.m. Monday to a report of a burning semitrailer at a business on East Karcher Road.
No one was injured in the blaze, which the crew of the responding engine quickly put out, according to the agency.
Firefighters also managed to keep the flames from spreading to other nearby trucks and other vehicles.
The fire department has not yet released the cause of the fire.
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