At least 72 people have died, including 12 US service personnel, after two blasts and a gunfight outside Kabul airport.
An official has confirmed at least 60 Afghans were killed and 143 others were wounded in the suspected suicide bombings.
Islamic State affiliate, ISIS-K, said on its Telegram account it was behind the attack.
Sky's chief correspondent Stuart Ramsay reports from the frontline.
SUBSCRIBE to our YouTube channel for more videos: www.youtube.com/skynews
Follow us on Twitter: twitter.com/skynews
Like us on Facebook: www.facebook.com/skynews
Follow us on Instagram: www.instagram.com/skynews
For more content go to news.sky.com and download our apps:
Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí www.youtube.com/channel/skynewsespanol