27.7.1916 BELLACOURT: 2/Lt MRK BION to Hospital.
War Diary [WO/95/2694]
27: A quite day. During the night a patrol which reached the OSIER BED near R. 33. d. 9. 5. was fired upon from the enemies front line.
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
Captain William Percy BUCKLEY, DSO, DCLI, took over the duties of Brigade Major.
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. 
Derbyshire Territorials in the Great War 