Pentagon officials had warned in the aftermath of Thursday s bombing that another attack, including one using a car bomb or some other device, was still a possibility.
After Johnson chaired an emergency response meeting on the situation in Afghanistan, he said Britain's airlift would continue "going up until the last moment"
In the past 24 hours, 42 U.S. military flights and 48 coalition flights helped evacuate people from the Afghan capital amid the Taliban takeover, the White House said