Overview

• Emergency crews were called around 9:15–9:30 a.m. to a building under construction near Esther Shiner Boulevard and Provost Drive in North York.
• The incident occurred in a boiler or utility room on the penthouse/22nd-floor level, according to Toronto Fire officials.
• Paramedics transported seven workers to hospital, with four in life-threatening condition and three with minor injuries, the paramedic chief said.
• Fire crews found no active fire on arrival but located multiple workers with burn injuries and evacuated the site.
• Officials described a natural gas fire and have not confirmed a leak, and the Ministry of Labour has assigned an inspector as the cause remains under investigation.