Huntsville OPP say Huntsville Public School is under a hold and secure at this time due to an incident at the Huntsville IDA. There are reports of a robbery at the IDA of an armed gunman who left via the back door, but opp have not confirmed this. there is a heavy police presence at the location right now. The Public school is located at Caroline and Centre streets. Police say a hold and secure means the children are just being kept inside.