An industrial fire sent smoke into the air near Mira Mesa Friday afternoon, according to the San Diego Fire Department.
The fire started inside a construction supply building in the 10000 block of Black Mountain Road at about 3:25 p.m., authorities said.
Black Mountain Road is west of the Interstate 15. Traffic in the area backed up as smoke was seen from the buildings and police are providing traffic control.
Firefighters had the fire mostly contained by 4 p.m. Officials said the fire started in the asphalt plant building.
There is no report of injuries.
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