Isis

9/11 attacks

Conflict

Divided, bruised US marks 9/11's 20th anniversary

9/11 attacks

Twenty years on, pandemic gives 9/11 conspiracists fresh impetus

Afghanistan

Taliban celebrate defeating the United States

Afghanistan evacuation

US carries out air strike to stop car bomb in Kabul

Emmanuel Macron

Macron visits IS former stronghold in Iraq's Mosul

Kabul international airport

Islamic State suicide bombers kill dozens at Kabul Airport

Taliban fighters

'Zombie apocalypse': Fear grips Afghans under Taliban rule

Then-US defense secretary Donald Rumsfeld

'Total failure': The war on terror 20 years on

Las Ramblas

Spain marks 4th anniversary of deadly Catalonia attacks

Taliban

Taliban in control of Afghanistan, panic in Kabul

Afghan families

US ready to take in thousands more Afghans as violence worsens