War Diary [WO/95/2694]
About midnight a hostile patrol of four men threw five grenades at CAVENDISH SAP HEAD R. 33 d. 4. 4. wounding one man. Rifle & Lewis Gun fire was opened on the patrol who ran back to their lines.
Casualties 1 other rank wounded
139 Infantry Brigade: Headquarters War Diary [WO95/2692]
The wounded man appears to have been 1821 Pte Harold Wragg, a corn mill hand from Matlock and a Pre War Territorial who served with “E” Company. Harold suffered a shrapnel wound in the right thigh and was admitted to the 3rd North Midland Field Ambulance before eventually returning to England on the 8th August.