UPDATE - One Thermalito home was destroyed Thursday afternoon in the "Colusa Fire" on 6th Street, the vegetation fire burned two acres.

The vegetation fire spread to a single home, Cal Fire said there were a few occupants inside but no one was hurt.

Cal Fire said there were a few occupants inside but no one was hurt.

Authorities also said the fire moved towards a home, a power line came down, making firefighting conditions difficult. 

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UPDATE - Firefighters have stopped the forward progress of the 2-acre fire that burned some structures, said Cal Fire. 

Crews were on scene just before 3 p.m. and they're still at scene mitigating structure threats.

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THERMALITO, Calif. - Cal Fire-Butte County is at the scene of a vegetation fire that has already burned structures in Thermalito Thursday afternoon.

According to Cal fire, the fire is burning on Colusa Avenue just off of Grand Avenue.

Firefighters battling a fire in Thermalito. Structures burning. Powerlines down. More structures threatened. Fire has spread to vegetation. #ColusaFire pic.twitter.com/oO4kyMU06K

— CAL FIRE Butte Unit/Butte County Fire Department (@CALFIRE_ButteCo) July 5, 2018

More structures are threatened at the moment, according to a Cal Fire tweet.

It is unknown how big the fire and how many structures have been burned.

This is a developing story check back for updates.