Simon Glancey has submitted the following:
Sgt. Walker was killed when Consolidated Liberator VI KG887 of 178 Squadron was lost on a mission to attack Szombathely Airfield. The Liberator crashed near the village of Pornóapáti, Hungary, with the loss of five of the seven crew members - the two survivors were made P.o.W.
Also killed in the same incident were Sgt. G.G. Wardle /a> and F/Off. W. Fairney
Robert Bruce Walker is remembered in Heaton on H91.06