Watch as Pennsylvania marks 23rd anniversary of 9/11 attacks at Flight 93 National Memorial
Watch as a ceremony is held in Somerset County, Pennsylvania, to remember those killed when hijacked Flight 93 crashed into an open field on September 11, 2001.
Watch as a ceremony is held in Somerset County, Pennsylvania, to remember those killed when hijacked Flight 93 crashed into an open field on September 11, 2001.
