Wang Daxue, Counselor of the Department of External Security Affairs of China called on Interior Minister Rana Sana Ullah in his office APP69-180522 ISLAMABAD: May 18 - Wang Daxue, Counselor of the Department of External Security Affairs of China called on Interior Minister Rana Sana Ullah in his office. APP photo by Javed Qureshi APP69-180522 ISLAMABAD