Toronto fire crews responded to separate residential fires on Monday morning, and multiple people were treated for various injuries.
The Toronto Police Service said crews were notified of a two-alarm house fire in the Prince Philip Boulevard and Guildwood Parkway area of Scarborough at around 4:30 a.m.
A woman suffered serious injuries, described as smoke inhalation. No other injuries were reported.
Firefighters responded to a second residential fire at 5 a.m. in the Doris Drive and St. Clair Avenue East area in East York.
Toronto Paramedic Services said two people were treated at the scene and not transported to a hospital. The severity of their injuries is unclear.