Mon 12 Dec 2006Beirut tense after demonstrator killedLebanon's army deployed more soldiers in Beirut this evening after the killing of a pro-Syrian Shia Muslim demonstrator raised fears anti-government protests could turn into sectarian violence.Arab League Secretary-General Amr Moussa warned the crisis could worsen and indicated he had discussed ideas for a solution with Lebanese officials during a 24-hour visit to Beirut.