Special Notice appeared in Benham's [Press Office window] tonight from the Regional Commissioner, saying that all ARP organisations should now be ready for instant action, and warning people of the necessity of taking great care about lights. I started carrying my police helmet again. Most of the soldiers were confined to Barracks all day, and were only allowed out for a couple of hours this evening. By order of the new Government, the Whit Monday Bank Holiday is cancelled.
Winston Churchill had replaced Neville Chamberlain as Prime Minister on 10th May 1940.