Careless smoking is to blame for the blaze in the 200 block of Lauzon Road Monday
One person is in hospital after fire tore through an apartment on the city's east end.
Acting Chief Fire Prevention Officer Mike Coste says the Ontario Fire Marshal's office determined careless smoking is to blame for $100,000 in damages.
Coste says a tenant from the building remains in hospital, but he did not disclose the extent of their injuries.