A spokesman for Afghanistan's ruling group says IS center was 'completely destroyed and all the IS members in it were killed'

US retreats from defense of drone strike in Afghanistan last month after review finds only civilians, including 7 children, were killed, not IS fighters

Terrorist group's reach continues to be felt through affiliates in Yemen, Nigeria and Mali, which continue to plot attacks

Taliban forces continue to battle resistance fighters in the last holdout province of Panjshir Valley

But Mark Milley's remarks don't indicate immediate plans to work with Islamist group after US withdrawal from Afghanistan

Survivor says six children among the dead; US says strike targetted Islamic State car bombers, investigating reports of civilian casualties

Families and friends mourn 13 US servicemen killed in deadly Afghanistan airport bombing, the oldest of whom was 31

No details given on identity of target; US presses ahead with evacuation as thousands continue effort to flee Taliban; France completes departure of citizens

Inspired by Islamic State in Syria and Iraq, a group of several hundred disgruntled Pakistani Taliban fighters, has grown into one of the more dangerous terror threats globally