KABUL, Aug. 31, 2021 (UNI/Xinhua) -- Photo taken on Aug. 31, 2021 shows military vehicles at Kabul airport in Kabul, capital of Afghanistan. The U.S. Central Command announced Monday that the withdrawal of U.S. troops from Afghanistan has completed.

KABUL, Aug. 31, 2021 (UNI/Xinhua) -- Photo taken on Aug. 31, 2021 shows military vehicles at Kabul airport in Kabul, capital of Afghanistan. The U.S. Central Command announced Monday that the withdrawal of U.S. troops from Afghanistan has completed.

KABUL, Aug. 31, 2021 (UNI/Xinhua) -- Photo taken on Aug. 31, 2021 shows a military airplane in Kabul, capital of Afghanistan. The U.S. Central Command announced Monday that the withdrawal of U.S. troops from Afghanistan has completed.

KABUL, Aug. 31, 2021 (UNI/Xinhua) -- Injured people at Wazir Akbar Khan hospital in Kabul, capital of Afghanistan. After the deadly suicide blast which killed some 170 Afghan people and 13 U.S. soldiers at the Kabul airport on Thursday, some survivors have raised the possibility that a number of Afghan people were actually killed by American fire amid the chaos and confusion instead of by bombing.

KABUL, Aug. 31, 2021 (UNI/Xinhua) -- Injured people at Wazir Akbar Khan hospital in Kabul, capital of Afghanistan. After the deadly suicide blast which killed some 170 Afghan people and 13 U.S. soldiers at the Kabul airport on Thursday, some survivors have raised the possibility that a number of Afghan people were actually killed by American fire amid the chaos and confusion instead of by bombing.