Semi tractor fire blocks highway traffic

A semi tractor fire caused part of Highway 11 to go down to one lane late Tuesday night.
 
RCMP said they don’t know what caused the semi truck to catch fire.
 
 Highway 11 southbound at Girven was fully blocked for about 20 minutes. From there, it was restricted to one lane.
 
The highway reopened around 4:15 a.m. Wednesday.