The debris pile from the old dormitory of the 100 Mile House Junior Secondary School caught fire Friday night.
100 Mile Fire Rescue and 100 Mile House RCMP were called to the blaze around 9:31 p.m.
100 Mile Fire Chief Roger Hollander says nobody was on scene when the fire started, and no one was hurt.
Hollander says 100 Mile Fire Rescue was able to protect the rest of the structure of the building, and some equipment being used in the demolition of the school. 100 Mile Fire Rescue stayed at the scene until approximately 8:00 a.m. Saturday morning.
RCMP along with 100 Mile Fire Rescue are investigating the fire as an arson. Two suspects were identified near the blaze, and evidence was found by Fire Rescue near the debris pile and was given to RCMP for investigation.
The demolition of the school began this week after a month and a half of planning.
According to RCMP, no injuries were caused by the fire.