1941. SIXTY-SIXTH WEEKLY SUMMARY. AIR RAID DAMAGE IN THE PERIOD 17TH-24TH DECEMBER, A. BRIEF ANALYSIS OF MAIN POINTS. (Further details under some of these headings will be found below). HOMELESS. Nothing to report. WATER SUPPLY. No damage. MAIN DRAINAGE. No damage. HOUSE PROPERTY. Damage slight. FOOD. No damage of importance. MINISTRY OF SUPPLY FACTORIES. No damage of importance. RAILWAYS. Slight damage at Dover. Unexploded parachute mine stopped all traffic between Billingham and Greatham on 17th December.