on U.S. officials have raised the terror alert from yellow to orange, citing a U.S. intelligence warning of a "high risk" of terrorist attack. news_terrorism_threatlevel_ashcroft_abcnews_0207.jpg home High Alert orange superpass.gif http://start.real.com/rd?url=http://smilparse.real.com/showcase/1pubs/channels/abc/abc.smi&adcode=none 10446415321430 ABCNEWS lock_icon.gif superpass.gif http://start.real.com/rd?url=http://smilparse.real.com/showcase/1pubs/channels/cnn/cnn.smi&adcode=none 10446415321431 CNN lock_icon.gif lock_icon.gif big_headline