Last night, enemy activity was widespread, but chiefly carried 
      out by single aircraft. Mine laying is suspected in several areas. 
      Following particulars of damage by areas:
 
      
 
 
Derby, L.M. and S. main line, up and down damaged.
 
      
 
 
Bridlington, General Post Office completely destroyed.
 
      
 
 
Aerodrome in Yorkshire serious fire.
 
      
 
 
Pembroke dock was again bombed but no particulars of damage 
      yet received.
 
      
 
 
5. 
Summary of Air Casualties.
 
      
 
 
Enemy
: by fighters destroyed 1 fighter, 4 bombers (5 
      total), probable 1 bomber destroyed and 1 bomber damaged.
 
      
Our own:
 3 fighters (2 pilots safe). 4 bombers not returned.
 
      
 
 
6. 
Ethiopia.
 
      
 
 
On August 18th 4 Wellingtons bombed hangara at Addis Ababa 
      and started a petrol fire. On the same day, bombers and fighters 
      assisted the evacuation of Somaliland. One of our bombers was 
      shot down but crew are safe.
 
      
 
 
7. Assessment of effect of our bombing attacks in enemy territory 
      reported last week.
 
      Confirmed that as result of our bombing of Canal viaduct across 
      the Ems, all barge traffic ceased for at least 12 days.
 
      The highly successful results of attack