Ryan Cringean, 25, set his dogs onto badgers, foxes and squirrels.

There has been no impact on operations at the school and the building remains open.

The threat to the school in North Lanarkshire has been determined as malicious.

John Kerr, 75, made the statements while employed as a history and modern studies teacher.

Despite their significantly different backgrounds, Ferris and Adair forged a deep and lasting friendship.