*** FILE *** Smoke billows in the air from the Palestinian refugee camp of Nahr el-Bared as the army pounds militant hideouts, in the northern city of Tripoli, Lebanon, Wednesday, Aug. 29, 2007. Lebanese troops fought al-Qaida-inspired militants who attempted to flee a besieged Palestinian refugee camp in northern Lebanon on Sunday Sept. 2, 2007, killing 15 and capturing 15 others, officials said. (AP Photo)