The official spoke on coindition on anonymity because he is not authorized to speak to the media . Sixteen U.S. embassies in Europe receive mail containing white powder . The FBI is investigating the incident as a possible act of terrorism. U.S. embassy official in Madrid : `` We know where the package is coming from ''
Sixteen U.S. embassies in Europe receive mail containing white powder . The FBI is investigating the incident as a possible act of terrorism. U.S. embassy official in Madrid : `` We know where the package is coming from ''