People climb a barbed wire wall to enter the airport in Kabul, Afghanistan August 16, 2021
The number of U.S. troops at Kabul's international airport reached about 4,500 on Wednesday, a U.S. official said.
The official, speaking on condition of anonymity, said that the number is set to hit 6,000 in the coming days.
(This story has not been edited by NDTV staff and is auto-generated from a syndicated feed.)