Checking Latest Red Claims -- United Nations officers, accompanied by Communist officers, search roof top inside Kaesong for marks of 50-calibre bullets which Reds said were fired into a group of homes near the site of cease-fire talks. Two other allied officers prepare to mount crude ladder near Korean "good luck" sign (right) tacked beside doorway. A four-hour search produced no evidence that the bullets had been fired from a U.S. plane or even from the air. September 25, 1951. (Photo by AP Wirephoto).