U.S. Secret Service officers stand outside the Canadian Embassy in Washington

 
U.S. Secret Service officers stand outside the Canadian Embassy in Washington
U.S. Secret Service officers stand outside the Canadian Embassy in Washington, October 26, 2012. The embassy was evacuated briefly on Friday because of a suspicious letter, forcing out employees for more than an hour, officials said. U.S. Secret Service and local emergency responders investigated the incident but found nothing dangerous. REUTERS/Larry Downing