On 26 August, an explosion occurred outside the Abbey Gate of Hamid Karzai International Airport. The Islamic State of Iraq and the Levant – Khorasan Province (ISIL-K) claimed responsibility for the attack. ISIL-K is a sworn enemy of both the United States and the Taliban. The attack was perpetrated by a suicide bomber, who detonated a 25-pound explosive vest hidden under clothing, close to a group of US military personnel who were performing security screenings of Afghans hoping to enter the airport.