The STM has just tweeted that the Orange Line is going to be closed today until 3:15pm. That will amount to an almost hour-long shutdown.
The reason for the closure has not been divulged, although they have said that the situation involves an intervention by emergency medical services.
TL;DR The Orange line of Montreal's metro is going to be closed between Berri-UQAM and Henri-Bourassa stations for nearly an hour today.
Shutdown ORANGE line between Berri-UQAM and H-Bourassa. Inter. Emergency medical services. Service expected to resume at 15:15. #stminfo J— Ligne Orange (@stm_Orange) January 7, 2019
The service disruption occurred around 2:15 this afternoon and the STM was quick to update their site with the closure.
The closure will be between Berri-UQAM and Henri-Bourassa, which is essentially the entire east arm of the orange line.
The current reason for the closure has not been disclosed, though the STM has divulged that it is for "emergency medical services."
Service is expected to resume at 3:15 this afternoon.
We will update this article if and when more details come to light.
UPDATE: a shuttle bus has been established between Berri-UQAM and Henri-Bourassa stations:
[Service disruption] ⚠️🚇 A temporary bus shuttle service is being established between Berri-UQAM and Henri-Bourassa stations.— Ligne Orange (@stm_Orange) January 7, 2019
UPDATE: normal metro service has resumed.
Normal métro service #stminfo M— Ligne Orange (@stm_Orange) January 7, 2019