WASHINGTON, Aug. 21, 2021 (UNI/Xinhua) -- Photo taken in Arlington, Virginia, the United States, on Aug. 20, 2021 shows a screen displaying U.S. President Joe Biden (C) delivering remarks on Afghanistan at the White House in Washington, D.C. Biden on Friday once again defended his administration's handling of withdrawal from Afghanistan, denying America's allies questioning the countrys credibility over the ongoing chaotic evacuation.

UNITED NATIONS, Aug. 21, 2021 (Xinhua) -- UN Secretary-General Antonio Guterres addresses a high-level event to mark the International Day of Remembrance of and Tribute to the Victims of Terrorism via a video link, at the UN headquarters in New York, on Aug. 20, 2021. Guterres on Friday pledged the world bodys support for victims of terrorism.