The Winnipeg Police Service, University of Manitoba Security Services, University of Manitoba Environmental Health and Safety Office and the Public Health Inspector are investigating what appears to be an intentional contamination of an employee's personal water bottle with a noxious substance. The tampering of this water bottle took place on the Bannatyne Campus sometime between May 09, 2011 and May 10th, 2011.

Employees are cautioned not to leave personal drink bottles, food or lunch boxes unattended and to report any occurrences of suspected tampering to University of Manitoba Security Services at 474-9312."