But gardeners are being warned that anyone who has a tree stump in their garden should not touch it and not get rid of it - ...

Trees infected with Armillaria root rot have decayed roots and lower trunk. These trees often break or fall over in storms. A tree care professional should inspect trees with Armillaria root rot to ...

This would probably be illegal and might well kill whatever was living on the rotting tree stump, though. Better to have decomposing wood in a garden. If you have a dying tree, let it die.