<p>A Qatar native held on charges of lying to the FBI in an investigation into the September 11 attacks was designated yesterday as an "enemy combatant" and could be tried before a military tribunal for helping al Qaeda operatives relocate in the United States. Ali Saleh Kahlah Al-Marri, 37, in Justice Department custody since late 2001, was given the new designation by President Bush and handed over to the Defense Department.</p>