There were no injuries following a bomb threat and evacuation from Mayfield Secondary School and the Walmart location next to the school in Caledon yesterday morning.
Caledon OPP responded to a call to investigate bomb threats in both locations just before the noon hour.
Staff and students were evacuated from the buildings.
Students were sent to a nearby school where they were able to call for rides home.
No explosives were located during a search of the area.
Caledon OPP are continuing their investigation.
Anyone with information regarding this incident is encouraged to contact police or Crime Stoppers.