This clip captures one of the most surreal moments in a UK free-speech case.

During a recorded interview, a police sergeant is informed — calmly and lawfully — that he is under arrest by a member of the public for harassment with threats of violence.

The officers who arrive don’t know what to do.
They’ve never seen anything like it.

▶️ Watch this short to see what happens when authority is challenged by the law it claims to enforce.