To kill a mocking tree

In an earlier post, I commented on the resilience of my neighbour’s tree. She alas wants to get rid of the (20m) Catalpa tree she planted a long time ago. Despite the tree starting a new growth, she had a(nother) neighbour taking extreme measures to ensure the tree’s death:

As can be seen from this picture, the solution is harsh and I have little doubt the tree is living its final days…