US on alert for more IS attacks after 85 killed in Kabul airport carnage

US forces helping to evacuate Afghans desperate to flee Taliban rule were on alert for more attacks on Friday after at least one Islamic State suicide bomber killed 85 people including 13 US soldiers outside the gates of Kabul airport.

Two blasts and gunfire rocked the area outside the airport on Thursday evening, witnesses said. Video shot by Afghan journalists showed dozens of bodies strewn around a canal on the edge of the airport...