The Windsor Police arson squad is investigating
The Windsor Police arson squad has been called in after a fire overnight on Pelissier Street.
Fire crews were called to a four-plex in the 1000 block of Pelissier near Erie Street West shortly after midnight Wednesday and found smoke and flames in the the second floor unit.
One person was treated for minor inhalation.
The fire was declared out about an hour later.
Damage is still being assessed.