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Washington 'shooting' an exercise Shooting scare as US marks 9/11
(40 minutes later)
Reports of a shooting incident on the Potomac river just outside Washington DC were a training exercise, US officials say.Reports of a shooting incident on the Potomac river just outside Washington DC were a training exercise, US officials say.
CNN had reported that 10 rounds were fired as a vessel tried to go through a security zone.CNN had reported that 10 rounds were fired as a vessel tried to go through a security zone.
But officials later said the incident had been a training exercise and no shots were fired.But officials later said the incident had been a training exercise and no shots were fired.
The incident came as ceremonies marking the anniversary of the attacks of 11 September 2001 were being held.The incident came as ceremonies marking the anniversary of the attacks of 11 September 2001 were being held.
CNN played an audiotape of the Coast Guard saying: "If you don't slow down, your vessel will be fired upon."CNN played an audiotape of the Coast Guard saying: "If you don't slow down, your vessel will be fired upon."
In the defence of our nation we will never waver, in pursuit of al-Qaeda we will never falter President Barack Obama The dark day The four hijacks How disaster unfolded
The Department of Homeland Security later confirmed that the reported incident was a training exercise, and that no shots were fired.The Department of Homeland Security later confirmed that the reported incident was a training exercise, and that no shots were fired.
But departures from Reagan National Airport were halted after the incident as a precaution.
Remembrance services were held across the US on the eighth anniversary of the 11 September 2001 attacks.Remembrance services were held across the US on the eighth anniversary of the 11 September 2001 attacks.
Nearly 3,000 people died when the four planes crashed in New York, at the Pentagon and in a Pennsylvania field.Nearly 3,000 people died when the four planes crashed in New York, at the Pentagon and in a Pennsylvania field.
TributesTributes
Speaking at the Pentagon, President Barack Obama paid tribute to the victims, saying the years would not diminish the loss of that day, and vowed to "never falter" in pursuit of al-Qaeda. Speaking at the Pentagon, where 184 people died, President Barack Obama paid tribute to the victims, saying the years would not diminish the loss of that day, and vowed to pursue al-Qaeda.
Ground zero is still a building site eight years after the attacksEnlarge Image
"In the defence of our nation we will never waver," he said. "In pursuit of al-Qaeda we will never falter.
Accompanied by Defence Secretary Robert Gates, he met members of victims' families and laid a wreath.
Meanwhile, thousands gathered for ceremonies in a square near New York's Ground Zero.Meanwhile, thousands gathered for ceremonies in a square near New York's Ground Zero.
Remembrance services are being held around the country, with moments of silence being observed at the three sites. Vice-President Joe Biden attended the New York ceremony, where planes crashed into the World Trade Center towers, causing them to collapse.
Volunteers who helped in the aftermath of the attacks joined family members in reading the more than 2,700 names of the victims.
The BBC's Matthew Price in New York says the Ground Zero area remains a building site, despite plans for a memorial, a museum and five new skyscrapers.
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Memorial held at Ground Zero
Delays caused by political arguments and financial and legal disputes have left huge question marks over the entire project, he says.
Former Secretary of State Colin Powell was due to speak at the site of the crash of United Airlines Flight 93 near Shanksville, Pennsylvania.
Americans have also been encouraged to contribute to a national day of community service.Americans have also been encouraged to contribute to a national day of community service.
Conservation projects, aid packages for serving soldiers and the simple offering of work for free are among the undertakings made by members of the public.