Mysterious carbon monoxide poisoning incident kills at Bridle Path mansion in Toronto Stay in the loop Sign up for our free email newsletter. Unsubscribe anytime or contact us for details. In a bizarre and terrifying incident, one Toronto resident has died and four more have been injured from carbon monoxide poisoning in the city's luxe Bridle Path neighbourhood. In what could be described as one of everyone's worst fears, extremely high levels of the odourless, tasteless, and all around imperceptible gas somehow leaked into a home on Suncrest Drive near Leslie and Lawrence. The incident occurred in the late hours of the evening on Monday, just before 9 p.m.