An investigation into a fire at a Bradford house on July 1 is now being treated as suspicious.
Investigators say the blaze broke out at the home on Moore Street between 3 a.m. and 4 a.m.
Fire officials say there was damage to the upper level of the home.
No one was injured and a damage estimate is not known.
South Simcoe police are asking anyone with information or security camera video to contact them.