Yanni has pica, severe learning disability, nonverbal autism, extreme hyperactivity/ADHD.
His parents have offered to offset the loss of the tree at a local community park, by replanting three trees.
His little sister will no longer need to help monitor her older brother in the garden.
https://www.wharfedaleobserver.co.uk/news/18178970.mothers-fight-keep-son-safe-removing-protected-tree/