One man is dead and another is in police custody following an altercation at a residence on George-Hériot Street in Blainville.
Blainville police were called to the scene Wednesday afternoon at 2:15 p.m. to intervene with a person in crisis.
Officers say they found the male victim at the scene, who was declared dead on-site.
The case was then transferred to the Sûreté du Québec (SQ).
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An SQ spokesperson confirmed the victim was named Mazen Adel Halabi, aged 51.
She added a man in his 20s was arrested at the scene. He is expected to appear in court in Saint-Jérôme on Thursday.
An investigation is underway.