Read it through once
He heard something behind him, the brush of feet. Turning, he saw over the prostrate columns another figure; then before he was aware, another was at hand on the right, under a trilithon, and another on the left. The dawn shone full on the front of the man westward, and Clare could discern from this that he was tall, and walked as if trained. They all closed in with evident purpose. Her story then was true! Springing to his feet, he looked around for a weapon, loose stone, means of escape, anything. By this time the nearest man was upon him.