 President Joe Biden has decided to withdraw U.S. troops from Afghanistan by September 11, 2021, 20 years after al-Qaeda's attack triggered America's longest war. However, the withdrawal would be based on certain security and human rights guarantees. U.S. Secretary of State Antony Blinken and U.S. Defense Secretary Lloyd Austin are expected to brief the decision to NATO allies in Brussels on Wednesday. Find out about fresh news updates