Smoke On The STM Orange And Green Metro Lines Forces Second Major Shutdown In Two Days
This is the second major metro shutdown in two days.

Sections of both the Green and Orange STM metro lines have been shut down because "of the presence of smoke" according to the STM website.
This is the second major metro disruption in two days. Yesterday, an underground explosion froced officials to shut down the entire Blue line for nearly four hours.
ALSO READ: Warning: Extreme -50°C Cold Weather Alerts In Effect In These Canadian Provinces
Shutdown ORANGE line between Snowdon and Bonaventure. Presence of smoke. Service expected to resume at 14:55. #stminfo A
— Ligne Orange (@stm_Orange) January 18, 2019
Shutdown GREEN line between Angrignon and McGill. Presence of smoke. Service expected to resume at 15:00. #stminfo Q
— Ligne Verte (@stm_Verte) January 18, 2019
While service is expected to resume at 14:55 on the Orange line, the Green line will not be operational until 15:00.
The shutdown affects the eastern wing of the Green line (from Angrignon to McGill stations) and part of the eastern wing of the Orange line (from Snowdon to Bonaventure stations.
UPDATE: as of 15:05 service is resuming on both lines.
Normal métro service #stminfo S
— Ligne Verte (@stm_Verte) January 18, 2019
Normal métro service on ORANGE line. #stminfo E
— Ligne Orange (@stm_Orange) January 18, 2019
The STM has not divulged the source of the smoke. But the speed with which both lines reopened suggests that this was a minor incident and that they are no safety concerns.
This is a developing story.
This post will be updated with information as it becomes available.