Kabul explosion: US officials call it 'suicide attack', believe ISIS to be behind blast

The official says evacuation flights have continued to take off from Kabul airport in the waning days of an airlift to help people flee the Taliban takeover of Afghanistan. 

WASHINGTON: A US official says the complex attack outside Kabul airport is definitely believed to have been carried out by the Islamic State group. The official says members of the US military were wounded in Thursday's attack, which involved two suicide bombers and gunmen. The official spoke on condition of anonymity to discuss ongoing operations. The Islamic State group is more radical than the Taliban and has carried out a wave of attacks targeting civilians. The official says evacuation flights have continued to take off from Kabul airport in the waning days of an airlift to help people flee the Taliban takeover of Afghanistan.  According to a local reporter, a suicide attacker blew himself up in the middle of a large crowd and another attacker started shooting. "AFG Explosion took place outside of the eastern gate of airport and gunfire is underway. There are casualties and fatalities, multiple eyewitnesses tells me," Afghan reporter Bilal Sarwary tweeted.