An investigation by ITV Tyne Tees and Border has revealed that weapons such as stanley knives, hammers, lead piping and even an ice axe have been recovered from primary schools in the region.
Freedom of Information Act requests were sent to every one of our police forces.
In Dumfries and Galloway an eight-year-old boy was among those cautioned.
Alan Rutter is from the National Union of Teachers and says it highlights the pressures on teachers:
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