text1: The campaign offices for 2008 United States presidential candidate John McCain in Centennial, Colorado and Manchester, New Hampshire have been evacuated after receiving letter threats in the U.S. mail. Office staff state that the Centennial envelope contained an unknown white powder. "We immediately notified local and federal law enforcement agencies and are looking to cooperate with them. We have put all of our offices on highest alert. They're looking for anything suspicious and all staff has been quarantined as of right now," said Jeff Sadosky, a spokesman for the McCain campaign.
text2: Centennial is a part of New Hampshire.