BC Wildfire Service crews have been called to the Merritt area where a new blaze was reported Saturday.
A spokesperson for the service said the Fox Farm Road fire is about four kilometres southeast of the city, and adjacent to the Coquihalla Highway.
Video from the scene shows flames visible directly beside the roadway, with smoke drifting into highway traffic.
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DriveBC said a lane of traffic was closed between Comstock Road and Exit 286 due to the fire.
The fire was mapped at about one hectare in size, Saturday afternoon.
Twelve firefighters and a helicopter were deployed to the scene.
No structures were immediately threatened, and the cause of the fire remained under investigation.