The poster says: "Wait for us. We meet at Christmas in New York soon." The Cathedral, however, is in Washington.
According to nbc Washington, the Director of Security Andy Solberg said in a statement that the FBI's Joint Terrorism Task Force has been monitoring the situation but has concluded that: "there is currently no indication of an actual, planned attack."
Despite that, the National Cathedral School is planning to increase its security over the Christmas holidays.
Another pictures shows a man heavily armed inside a church walking towards a man dressed as Father Christmas. A message on this poster says: 'Soon on your holidays. Soon, very soon.'
