http://www.citynews.ca/2015/05/26/5...own-and-hold-secure-for-police-investigation/ "Five schools in Peel region are under lockdown or hold and secure due to a police investigation. Gordon Graydon Sr. Public School in Brampton is locked down, the Peel District School Board says. Madoc Drive Public School, Allan A Martin Public School and Harold F. Loughin Public School are under a hold and secure." Also.. http://www.680news.com/2015/05/26/5...own-and-hold-secure-for-police-investigation/ "Father C.W. Sullivan School is also under a hold and secure, the Dufferin-Peel Catholic District School Board says." "Despite several attempts by CityNews to get information on the lockdown, Peel police media officer Matt Small refused to provide details on the investigation. Small would only say it was a police investigation in the area. However, police tweeted that there was no cause for concern at this time."