Photo released by Pakistan's Press Information Department (PID) on Aug. 14, 2016 shows Pakistani President Mamnoon Hussain (5th R, front) and Prime Minister Muhammad Nawaz Sharif (5th L, front) attend a ceremony to mark the 70th Independence Day of Pakistan in Islamabad, capital of Pakistan. Pakistani President Mamnoon Hussain said on Sunday that the government will take revenge of every drop of the blood of innocent people who lost lives in a recent terrorist attack in the southwestern city of Quetta. (Xinhua/PID)