The nearly 13,000-acre wildfire burning in eastern Utah crossed the Colorado border Monday night, joining four other fires already burning on the western slope, fire officials said.

A fire engine was damaged when a massive "fire vortex" formed within a fire burning in southeast Utah over the weekend.

Watch the moment a huge blaze in Utah turned into a gigantic fire vortex on Saturday (12 July). Footage captured by a firefighter shows the unusual weather phenomenon which the US Forest Service describes as a “spinning vortex column of ascending hot air and gases rising from a fire and carrying aloft smoke,

A vortex formed over the Deer Creek Fire on Saturday in San Juan County, causing damages to a fire engine and structures in the area.

A large vortex or "firenado" formed over the Deer Creek Fire in San Juan County, Utah over the weekend, officials said. Dramatic footage from the Bureau of Land Management (BLM) showed flames from the fire being sucked up into a dense, swirling cloud of black smoke.

Firefighters haven't been able to contain Deer Creek Fire as it's destroyed buildings and is being further pushed to spread by winds.

Firefighters on the scene of the 10,000-acre Deer Creek Fire in southern Utah captured video of a massive vortex of fire and smoke swirling in the

The Deer Creek Fire that is threatening roughly 80 structures near the Utah-Colorado border stirred a vortex of fire in a rare weather phenomenon over the weekend.