From a BBC reporter:
Western intelligence sources say they have detected a small group of Saudi extremists trying to get into Iraq so that they can attack coalition forces there.
They say they believe the men are pretending to be aid workers and that they may be hoping to cross the border from Iran. The conflict in Iraq is deeply unpopular in the Arab world and Baghdad has claimed that thousands of Arab suicide bombers are now in the country.
(Courtesy of a reader who saw it at www.command-post.org