Police are investigating a potential chemical hazard on account of a hydro vault hearth at School St and Elizabeth St.
Police say they acquired a name in regards to the hearth simply earlier than 2:30 p.m.
White smoke may be seen popping out of a big hydro vault.
Police have blocked off areas round School and College, School and Bay, Gerrard and Bay, and from Gerrard to Toronto Normal Hospital as they examine.
Close by residents are requested to remain inside their houses and persons are instructed to steer clear of the world.
The reason for the hearth is unknown.