A loud noise was heard near the South Lawn of the White House and a column of smoke was observed.
The Secret Service security to extremes and temporarily closed the White House by a loud noise, which already ruled that represented a threat.
The incident delayed 50 minutes heading the president, who had planned with his wife Michelle and their daughters Sasha and Malia, from the southern town of Selma to commemorate the fiftieth anniversary of the iconic march for the right of blacks to vote.
The group of journalists accompanying President reported that due to loud noise were directed to the newsroom and the Secret Service declared a “lockdown” of the presidential residence while investigating the source of the noise, Efe said.
As indicated by the Secret Service agent Brian Leary told The Hill, one of the stalls in one of the streets near the White House suffered a small fire “has already been content.”
The agent also said that one of the canine units this morning also detected “suspicious” vehicle between 16th and Constitution Avenue that “being investigated”.
The temporary closure was lifted and the presidential family moved to the base Andrews to fly on Air Force One to the base of the Air Force of Montgomery.
USA Today said it was around 10:15 local that loud noise was heard near the South Lawn of the White House.
“When journalists gathered outside the departure of President Obama and his family to Selma for the 50th anniversary of the march for civil rights, a loud bang was heard,” said the journalist David McCumber, Hearst Newspapers Group.
“The Secret Service then gathered reporters in the press room and closed the doors,” said the reporter, AFP quoted a witness.
Firefighters in Washington said via Twitter that he had been a fire in a truck selling food near the White House and stated that the fire was extinguished.
Accesses around the White House have been banned and the lines of tourists who visited extend through the streets.