Missoula first responders arrived at the scene of a house fire at 201 S 4th street just after 11:30 a.m. this morning, September 9th.

It is still unclear what started the fire, but the Missoula Fire Department has told KGVO that there was no one in the building when firefighters arrived.

An investigation is underway and firefighters are still on scene as of 12:30.

We will have more details after we are able to contact authorities.