MISSOULA, Mont. -

A grill fire inside a Missoula restaurant Saturday night forced restaurant goers and employees to evacuate.

According to witnesses, a fire broke out on a grill at HuHot Grill & BBQ on Brooks Street around 7:30 p.m.

Witness Braidan Beck reported seeing 4-foot flames, and says employees told about 80 people inside the restaurant to evacuate.

"It was big, it was taking up most of the grill," said Beck. "Somebody was telling us that there were fire extinguishers that should have gone off that didn't under the hood of the grill. So I guess that didn't work out the way it was supposed to."

Crews arrived shortly after, and were able to extinguish the blaze.

No injuries were reported.

The cause of the fire is under investigation.