Quebec provincial police are still looking for the suspect Martin Carpentier, 44, linked to the death of his daughters.
Early Sunday morning, Montreal Police were called to the scene of a 67-year-old woman found unconscious in Westmount.
The Sûreté du Québec have located items in a forested area in Quebec that could potentially be linked to the two missing girls.
"Our strategy is to make it easy for them to respect the new rule," said the STM's Chairman of the Board of Directors Philippe Schnobb.
A new psychiatry inpatient unit opened its doors at Montreal's Jewish General Hospital on Monday morning.