Butte-Silver Bow police began their investigation Wednesday into the suspicious fire that destroyed the Butte Produce & Supply building early Monday morning. Fire officials asked the Butte police to review video surveillance from Butte Produce & Supply. Police are declining to say whats on the surveillance footage until the investigation is complete.

Officials worked Wednesday to try and determine the cause and the origin of the fire as they sifted through the debris.

Police say that the Butte Produce fire and the National Hotel fire a week earlier and a block away are not connected. Both fires are being called suspicious.