At a signal from Y'ang-Yeovil, the field was turned off. Foyle went through the hot rubble to the east wall of the cathedral which stood to a height of fifteen feet. He felt the smoking stones, pressed, and levered. There came a grinding grumble and a three-by-five-foot section jarred open and then stuck. Foyle gripped it and pulled. The section trembled; then the roasted hinges collapsed and the stone panel crumbled.