In a file picture dated 14 June 2007 a Palestinian woman evacuated from the besieged Nahr al-Bared Palestinian refugee camp in northern Lebanon sleeps in a classroom converted into living quarters, in the nearby Beddawi refugee camp. As raging battles continue for the fourth month between the Lebanese army and Islamist extremists, Palestinian refugees who fled the fighting yearn only to return to the smouldering ruins of their homes.(AFP/File/David Furst )

In a file picture dated 01 July 2007 Palestinian children, who fled the besieged Palestinian refugee camp of Nahr al-Bared in north Lebanon, rest in a converted classroom in the nearby Beddawi camp. As raging battles continue for the fourth month between the Lebanese army and Islamist extremists, Palestinian refugees who fled the fighting yearn only to return to the smouldering ruins of their homes.(AFP/File/Anwar Amro )

Lebanese soldiers are seen inside the severely damaged Nahr al-Bared Palestinian refugee camp in northern Lebanon, 12 August 2007. Palestinian clerics continued negotiating on the possible evacuation of wounded militants from the camp besieged by the army since May 20, a mediator has said.(AFP/File)

View of damaged buildings in the besieged Palestinian camp of Nahr al-Bared in northern Lebanon, 23 August 2007. The families of Islamist fighters besieged in the camp were being evacuated by the army, opening the way for a possible final army assault.(AFP/Marwan Naamani)