Potential Islamic State threats against Americans in Afghanistan are forcing the US military to develop new ways to get evacuees to the airport in Kabul, a senior US official said Saturday.
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The changes come as the US Embassy issued a new security warning Saturday telling citizens not to travel to the Kabul airport without individual instruction from a US government representative. Officials declined to provide more specifics about the IS threat but described it as significant.
Biden faces growing criticism as videos depict pandemonium and occasional violence outside the airport, and as vulnerable Afghans who fear the Taliban's retaliation send desperate pleas not to be left behind.
The Islamic State group has been active in Afghanistan for a number of years, carrying out waves of horrific attacks. The group has been repeatedly targeted by US airstrikes in recent years, as well as Taliban attacks. Officials say fragments of the group are still active in Afghanistan, and the US is concerned it may reconstitute in a larger way as the country comes under divisive Taliban rule.