Field Marshal Sir John French , commander of the British Expeditionary Force ( BEF ) , co-operated Collaboration with the French strategy to capture Vimy Ridge , by planning British attacks against Aubers Ridge .

The French attacked Attack Vimy Ridge and the British attacked Attack further north in the Battle of Aubers Ridge ( 9 May ) and the Battle of Festubert The battle was fought Hostile_encounter during the German offensive of the Second Battle of Ypres which the Germans ended to reinforce the Artois front .

The British attack at Aubers Ridge was a costly failure and two German divisions in reserve were diverted Change_sentiment south against the Tenth Army .