Starting Thursday, the Homeland Security Department will begin phasing out the nation's color-coded terror-threat system, ending it entirely by April 27, officials tell the Associated Press. The five-tiered warnings were created after the Sept. 11, 2001, attacks. The "national threat level" has not changed since 2006 -- yellow, or "elevated," the middle rating.
Monday, Apr 21st
Last update11:05:21 PM GMT