Groundhogs to blame for scattered bones in Canada's biggest cemetery

• Pieces of casket and human bones discovered amid grass
• Groundhogs thriving at Notre Dame des Neiges in Montreal

The sprawling grounds of Canada's largest cemetery have long offered visitors a respite from the bustle of downtown Montreal.

But in recent weeks, those in search of a peaceful walk have instead made a series of grisly discoveries among the graves of Notre Dame des Neiges: splintered pieces of caskets and human bones scattered throughout the grass.