9/11 timeline: Remembering how the attack unfolded 25 years on

As the 25th anniversary of 9/11 approaches, Metro takes a look at how the attack unfolded.(Photo by Lonnie Schlein/Getty Images)Today marks 25 years since the 9/11 attacks in New York and Washington DC shocked the world.The ramifications of the attack, which brought down the Twin Towers in New York City, claimed the lives of almost 3,000 people – including dozens of children – with more victims being identified to this day.Millions watched in horror on September 11, 2001, as four ai