3113 fire fighters died on 9/11 as they battled flames and evacuated civillians , we hearfrom one new york firefighter who was on his first day in the job when the twin towers fell. 110 story building fell in seven seconds total and we were caught in the collapse. i m philippa thomas in london from where the queen has sent a message saying her thoughts are with the victims, survivors and their families. we ll be hearing from people from across the globe reflecting on how the 9/11 attacks changed their lives. the attacks were planned by al-qaeda from afghanistan. today s commemorations come weeks afer the us withdrawal from the country, with the taliban now firmly back in control. i m lyse doucet live in kabul where the un has condemned the taliban for their increasingly violent response to dissent.