By Tessa Wong and Zhaoyin Feng
BBC News, Singapore and Washington
August 24, 2021
Like many across the world, millions in Asia have been shocked by the scenes of desperation coming out of Afghanistan – with some asking if America can still be trusted.
On Sunday evening – just a week after the Afghan capital Kabul fell to the Taliban – US vice-president Kamala Harris landed in Singapore for the start of a whirlwind Asian tour.