Hard frost, dull, thick fog at night. Warnings from 11.10 to 11.20 a.m. From 11.58 a.m. to 12.20 p.m. In afternoon to Wimbledon along rail path to buy high-tension battery. Saw extensive raid damage especially at corner of Stanley Road. Saw many interesting types of locos, including new0-6-0 goods No.545 also a Brighton 4-6-2 tank. Night raid at 6.21 p.m. Not so many raiders but continuing in a tedious and annoying manner. They could not posibly have sen the ground owing to the thick fog: some got shots at them. Main attack was on towns in the north. One unexploded bomb fell near here. All clear at 4.45 on 13 Fri.