A fire at a Markham home sent six people to hospital, including three children, York Regional Police say.

One man was taken to Toronto's Sunnybrook Hospital in serious condition, police said, while an officer was also sent to hospital with minor injuries. 

A woman and three children were also transported to hospital. The extent of their injuries is not known.

Firefighters arrived at the home on Douglas Haig Drive, near McCowan Road and Steeles Ave. E., around 5 p.m.

Homes in the area were evacuated as a precaution.

WATCH: Viewer video of Markham house fire that sends six to hospital0:31