The Thompson Recycling Centre has suspended recycling collection Oct. 9 after explosive material was discovered in residential recycling.
The City of Thompson says the blasting cap was triggered by friction, and is powerful enough to take off someone's hand.
The RCMP, Thompson Fire and Emergency Services, and Vale are on-site to help identify any potential remaining explosive.
The city adds that since this is a dangerous act, the RCMP may launch a criminal investigation.