A high school in Laval was evacuated after a possible carbon monoxide leak in the building on Wednesday morning.

Three people have been sent to hospital after a carbon monoxide alarm went off at a west Winnipeg home early Saturday morning.

One person was reported unconscious and two others were experiencing nausea and dizziness at a home in Saskatoon where a carbon monoxide alarm went off.

The Saskatoon Fire Department said the apartment building’s sprinkler system put out the fire prior to their arrival.

Bishop Greschuk Catholic Elementary students will be returning to class Monday after the school was closed down Friday due to high levels of carbon monoxide.

Bishop Greschuk Catholic Elementary School in north Edmonton ended class early on Friday after high levels of carbon monoxide were detected in the elementary school.

On Jan. 14, 2019, 35 children and eight adults were sent to hospital after becoming intoxicated by a carbon monoxide leak at a Montreal elementary school.

No one was injured and BC Ambulance was on standby as precaution, according to the Kelowna fire department.

The West Kelowna Fire Department said the incident is a reminder to have working smoke and CO detectors in your home as the devices save lives. 

The Quebec coroner's office found a car had been left running in the couple's garage, which led to the carbon monoxide poisoning.