Just Stop Oil’s campaign to infuriate ordinary people has moved up a gear. After bringing traffic to a standstill and disrupting play at the snooker, now its activists are targeting those havens of peace, harmony and low blood pressure: Britain’s bustling airports during the school summer holidays.

A group of JSOers sat themselves down on the floor and locked their hands together at Gatwick’s south terminal yesterday, in an attempt to block the path through security.