Suddenly into the silence of Duke Street came an ear-splitting wail. It rose from a deep groan, gaining volume, whining overhead, penetrating the courts and alleys at the heart of London's East End.'They were at war with Germany. Yet as the horror of the Blitz tests the indomitable East End spirit to its limit, life goes on much as before, Annie, Hettie and George keep the Duke of Wellington open amidst almost daily bombings, a haven of normality for all their friends. Tommy O'Hagan struggle