At least three people have been killed in wildfires that have ravaged Sevier County in Tennessee.

In the video above, WBIR photojournalist Brian Holt shows the extent of damage in Gatlinburg from the fire that's destroyed hundreds of buildings.

Gov. Bill Haslam said the blaze, which spread rapidly Monday afternoon, was the state's largest in the last 100 years. About 100 pieces of fire equipment on hand as well as some 400 personnel working to put out lingering fires, he said.

RELATED | Click here for a list of what's damaged, destroyed and intact

PHOTOS: Wildfire spreads to Gatlinburg and Pigeon Forge

Chimney 2 fire in Great Smoky Mountains National Park