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.

Lucia Giovanna Arcuri, who is 76 years old, was last heard from Tuesday morning during a telephone call. Her son, 59-year-old Giuseppe Arcuri, was last spotted on Tuesday at around 9:30 a.m. in a restaurant near the corner of Perras and Rodolphe-Forget boulevards in the city's Rivière-des-Prairies neighbourhood.

Lucia Giovanna Arcuri, 76, and Giuseppe Arcuri, 59 — last seen Tuesday morning and are worried about their safety.

The description of the vehicle matches the one involved in a police investigation earlier this week into the disappearance of a 59-year-old man and his 76-year-old mother, but police have