Firefighters and OPP responded to a house fire on William Street in Havelock early Sunday.

Officers say there have been five separate incidents in the Woodbine and Danforth area dating back to July 11.

Emergency crews responded to the scene at 241 Simcoe St. around 10 a.m. for a fire in a unit on the building's eighth floor.

According to Revelstoke RCMP, the overnight incident could have been potentially fatal, as it happened at 3 a.m., on Thursday.

Damages are estimated at $30,000.

A recent string of house fires in the northern Alberta hamlet of Calling Lake were deliberately set, according to RCMP who are now investigating the blazes.

A 21-year-old man from Shelburne, N.S., is facing charges after a fire was intentionally set inside a seniors' home Tuesday evening.

OPP and Kawartha Lakes Fire Rescue Services attended a residence on Tracey's Hill Road in Downeyville, about 10 kilometres southeast Lindsay, in response to a fire. 

It's believed the fire started in one of the apartment building's suites and and spread into the hallway or stairwell. 

An 18-year-old man has been charged with arson following a structure fire in the Treetops subdivision in Alliston, Ont., on Monday night, Nottawasaga OPP say.