Firefighters say a fire at a home on Emerson St. in Leamington is out after flames erupted around 3am Wednesday.
So far, there's no reports of injuries, but fire officials say it looks suspicious and investigators from the Office of the Ontario Fire Marshal have been called.
Damage is estimated at $150,000.
In a separate blaze late Tuesday night, Windsor firefighters responded to a "rubbish fire" at 697 Glengarry Ave.
It started outside and damage is estimated at $40,000. No injuries have been reported.
The cause remains under investigation.
-With files from Jason Viau.