Quebec police open criminal investigation into fatal construction site collapse
- Police north of Montreal opened a criminal negligence investigation after retaining walls collapsed at a Blainville construction site on May 20, 2025, killing one worker and injuring three others.
- The collapse occurred during work on a commercial-residential complex’s underground parking garage, with authorities receiving a call about the retaining walls giving way around 11 a.m.
- The deceased was identified as 31-year-old Alexandre Paris, employed by a Montreal-area firm specializing in deep foundation work, while others were treated for injuries and shock on site.
- Sara Tousignant, spokesperson for the Blainville police, confirmed that authorities are currently examining the circumstances surrounding the death to establish if criminal responsibility applies, while the area remains sealed off as safety officials and CNESST carry out inspections.
- The incident prompted the general contractor Syscomax Immobilier to suspend all construction sites, while engineers will assess the structure before deciding on site reopening and potential legal responsibility.
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Quebec police open criminal investigation into fatal construction site collapse - OHS Canada Magazine
A collapse is seen on a construction site in Blainville, Que., on Tuesday, May 20, 2025. THE CANADIAN PRESS/Christinne Muschi By Sidhartha Banerjee Police have opened a criminal negligence investigation into the fatal collapse of retaining walls on Tuesday at a construction site north of Montreal. One worker died and two were injured, and a woman was treated for shock after the mobile office she was in fell into the excavated hole after the coll…

Quebec police open criminal investigation into fatal construction site collapse
BLAINVILLE - Police north of Montreal say they have opened a criminal negligence investigation into Tuesday's fatal collapse of retaining walls at a construction site.
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