Biden vows retaliation for Kabul airport attack | First Thing

A double suicide-bomb attack at Kabul airport killed 13 US troops and 72 Afghan civilians. Islamic State has claimed responsibility

Good morning.

The pace of evacuation flights out of Kabul accelerated today after a double suicide-bomb attack that killed 13 US troops and 72 Afghans - the deadliest day for US troops in more than a decade.