this is bbc news — these are the latest headlines in the uk and around the world. chaos at kabul airport — even afghans with valid paperwork are struggling to get through, with checkpoints guarded by heavily armed militants. officials say 12 people have been killed in and around kabul airport since sunday — the taliban are urging people without the legal right to travel, to go home. if you are linked to the international presence here, you are certainly going to be worried that in this chaotic situation, a taliban member will turn around to you and say, who are you, what did you do? and they may decide that you shouldn't be allowed to leave. president biden says us troops could remain in afghanistan beyond the end of august, passing his deadline for withdrawal. labour has accused the foreign secretary, dominic raab,