"We'll come back to the U.S.A. One day only 11/9/2011," said a message, attached with a photo of Osama bin Laden. Another message read: "We'll come to u white house sooooooooooon." A third message read: "We'll come back 11/9/2011 to kill u all."
The US Secret Service is investigating terrorist attack threats posted by an unknown user. White House Principal Deputy Press Secretary Josh Earnest on Sunday said that the country's special services have no new information on alleged preparations for a terrorist attack.