Over half the STM green line has been shut down due to a medical emergency. Emergency services are on the scene, though it's unclear at which station the intervention has taken place. The STM shared the service update via the green line Twitter account at 16:11. Service is not expected to resume until 18:00. The hour-long shutdown will impact afternoon commutes.\nThe shutdown extends from the western terminus of Angrignon to Berri-UQAM, the intersection of the green, orange, and yellow lines and one of the busiest stations in the STM network.\nUPDATE: as of 17:24, service is gradually resuming on the green line.\nShutdown GREEN line between Angrignon and Berri-UQAM. Inter. Emergency medical services. Service expected to resume at 17:10. #stminfo Z— Ligne Verte (@stm_Verte) October 31, 2019\nShutdown GREEN line between Angrignon and Berri-UQAM. Incident. Service expected to resume at 18:00. #stminfo R— Ligne Verte (@stm_Verte) October 31, 2019\nWe will update this article as more information becomes available. The STM has dispatched shuttle buses to ferry commuters between the affected stations.\n[Ongoing disruption] 🚇🚌⚠️ A special bus service run between Lionel-Groulx and Angrignon stations. You can find the stops of these buses on the neighbourhood plans displayed in all the stations. ⏩ https://t.co/BplySsfuuo pic.twitter.com/cJTl83U88p— Ligne Verte (@stm_Verte) October 31, 2019\nAs of 17:24, service is gradually resuming on the green line. But commuters should expect severe congestion for the rest of the afternoon.\nService gradually resuming on the GREEN line. #stminfo T— Ligne Verte (@stm_Verte) October 31, 2019\nPhotos posted online show crowds accumulating on station platforms.\nMTL Blog\nThe orange line is in service but trains are not stopping at Lionel-Groulx.\nNo trains stopping ORANGE line at Lionel-Groulx station. #stminfo L— Ligne Orange (@stm_Orange) October 31, 2019\nAn unconfirmed report from an MTL Blog reader suggests that the medical emergency involves an individual stuck under a train.\n[Interruption en cours] 🚇⚠️ Pour d’autres options pour vos déplacements, utilisez le calculateur d’itinéraires (en décochant option métro) ou utilisez la @stm_Orange pour vous déplacer au centre-ville ⏩ https://t.co/utcnWrgXTI pic.twitter.com/ObjA9hDnqg— Ligne Verte (@stm_Verte) October 31, 2019\n[Ongoing disruption] 🚇⚠️ We are doing our utmost to re-establish service as promply as possible— Ligne Verte (@stm_Verte) October 31, 2019\nStay tuned.