UPDATE: The cause of the fire which destroyed Trailhead Steak and Trout House in Townsend is determined.

Investigators determined the fire was caused by electrical arcing within the upstairs exterior wall.

Fire crews called to E. Lamar Alexander Parkway Friday morning and found the building fully engulfed in flames.

A firefighter was injured but treatment was refused on the scene.

Fire officials say the building was a total loss.

Original Story: Fire Crews on the scene of a fire at the Trailhead Steak and Trout House in Townsend in the 7800 block of East Lamar Alexander Parkway.

The building fully engulfed in flames at 5:30 this (Friday) morning but fire fighters have most of the fire out but embers remain so Crews are remaining on the scene to continue monitoring the scene.

The building appears to be a total loss, parts of the building are burned to the ground. Authorities are asking you to avoid this area as emergency crews are still on the scene.