During an enemy attack platoon commander F.A.Mackell decided to dislodge the Germans with a bayonet charge and he and Edmondson and five privates attacked. During this counter-attack Edmondson was wounded in the neck and stomach, but he advanced and killed one enemy with his bayonet. Later Mackell was bayoneting a German who held on to him as another came up from behind. Edmondson, some metres away, immediately came to his assistance and in spite of his wounds killed both enemy. The party then returned to Post R33 with a prisoner. Edmondson, badly wounded, died next morning.