A man holds a poster in support of Libya's Muammar Gaddafi at the "Rally Against War, Racism & Islamophobia" to mark the 10th anniversary of the 9/11 attacks on the World Trade Center, in New York, September 11, 2011.
US President Barack Obama touches the names of victims engraved on the side of the north pool of the World Trade Center site as former President George W Bush, first lady Michelle Obama and former first lady Laura Bush (obscured) look on during ceremonies marking the 10th anniversary of the 9/11 attacks on the World Trade Center, in New York Sept 11, 2011.
National and city leaders will commemorate on Sunday the ten-year anniversary of the attacks of Sept 11, 2001 with a ceremony unveiling a memorial and museum.
A woman motorcyclist reacts during a ceremony during the annual "America's motorcycle ride", to mark the 10th anniversary of the 9/11 attacks at ground zero in New York August 21, 2011.
US President Barack Obama on Tuesday paid tribute to "9/11 generation" of veterans and service members, thousands of whom have died in the past decade of war following the September 11 terror attacks.
President Barack Obama urged Americans on Saturday to recall the spirit that united the country after the 9/11 attacks and take part in a national day of service to mark the anniversary next month.
US Attorney General Eric Holder on Wednesday met family members of those killed during the September 11 attacks but offered no details about a probe of whether reporters for News Corp tried to hack the victims' phones.