Warning signs - relying on prior warnings in unfair dismissal claims

What are an employer's options where an employee commits misconduct while a warning is still live on their file? Will it always be fair to dismiss in those circumstances?

What if the warning is for something entirely unrelated to the current misconduct?  Can expired warnings ever be taken into account?

This publication looks at the options for managers facing these types of question, and offers a checklist of reminders for those conducting disciplinary procedures.