A structure fire that prompted a full group alert from Yellowknife Fire Division Thursday originated at the Ace EnterprisesSA国际影视传媒� quarry on Curry Drive, the city says.

The blaze, which sent a large plume of black smoke into the air, was reported by a bystander just after 12:30 p.m.

Responding firefighters observed a SA国际影视传媒渓arge amount of smoke and flame coming from an asphalt processing facility,SA国际影视传媒� stated a news release from the city Friday.

Employees at the facility were evacuated from the area due to reports of a significant amount of combustible liquids at the scene.

All on-call and off-duty YKFD personnel, along with a tanker, pump, and MED vehicle SA国际影视传媒� which blocked traffic on Kam Lake Road near Curry Drive SA国际影视传媒� attended the scene.

A SA国际影视传媒渄efensive positionSA国际影视传媒� was established to maintain safety. After the fire had burned to a manageable level, firefighters quelled the blaze with a foam extinguisher, stated the news release.

No one was injured during the fire.

The territory's fire marshal is investigating the cause of Thursday's fire, which remains undetermined.