September 11, 2012 12:08 pm Heroes of Flight 93 Remembered on 9/11 Anniversary Vice President Joe Biden and thousands others gathered in Shanksville to honor those who lost their lives when our country was attacked by terrorists on 9/11. US & World Videos 0:19 Body of missing kayaker found in the Schuylkill River 2:00 Police officer placed on administrative duty after killing dog that attacked a man 0:51 Police officer shot and killed 1 of 4 dogs that attacked a 53-year-old man 1:49 ‘We have to do better': Philly teen dedicates her Instagram to humanizing victims of gun violence 1:22 Video shows man walk up to ring doorbell with an apparent gun, police say