Quebec’s police watchdog says it has opened an investigation after the bodies of a mother and her son were discovered in a vehicle in the city’s St-Leonard borough. They went missing earlier this week.

Montreal police officers found two bodies in a parked car in Saint-Léonard. The discovery has sparked two investigations — one by the Sûreté du Québec and the other by the province's police watchdog.

Quebec's police watchdog says it has opened an investigation after the discovery of two bodies in a vehicle in the city's St-Léonard borough.

There were marks of violence on the two people's bodies and their deaths are being treated as suspicious, according to Montreal police.