He walked on. The bomb had demolished a group of houses two hundred metres up the street. A black plume of smoke hung in the sky, and below it a cloud of plaster dust in which a crowd was already forming round the ruins. There was a little pile of plaster lying on the pavement ahead of him, and in the middle of it he could see a bright red streak. When he got up to it he saw that it was a human hand severed at the wrist. Apart from the bloody stump, the hand was so completely whitened as to resemble a plaster cast.