Palestinian religious leaders gather in the streets of the West Bank town of Ramallah, Sunday 28 January 2007, to protest against the Palestinian internal fighting between Hamas and the Fatah movement.PHOTO BY AHMAD GHARABLI /FLASH90

Palestinian deputy prime minister Nasser A-Shaeer attends a protest in the West Bank town of Ramallah, Sunday 28 January 2007, against the Palestinian internal fighting between Hamas and the Fatah movement.PHOTO BY AHAMD GHARABLI/FLASH90

Palestinian religious leaders gather in the streets of the West Bank town of Ramallah, Sunday 28 January 2007, to protest against the Palestinian internal fighting between Hamas and the Fatah movement.PHOTO BY AHMAD GHARABLI /FLASH90

Palestinian Muslim clerics participate in a prayer during a demonstration calling for the end of the Fatah-Hamas factional fighting, at the center of the West Bank city of Ramallah, Sunday, Jan. 28, 2007. Hamas and Fatah gunmen battled each other in the streets of the Gaza Strip on Sunday, having sent civilians fleeing from their homes in an increasingly bloody power struggle that left more than two dozen Palestinians dead over the weekend.PHOTO BY AHMAD GHARABLI /FLASH90

Muslim man readks a newspaper showing images from yesterday's clashes in Gaza between Hamas and Fatah at the Old City of Jerusalem, 28 January 2007. Photo by Orel Cohen/FLASH90

Muslim man reads a newspaper showing images from yesterday's clashes in Gaza between Hamas and Fatah in the Old City of Jerusalem, 28 January 2007. Photo by Orel Cohen/FLASH90

A general view of the West Bank settlement of Maale Adumim. 28 Jan 2007.Photo By Orel Cohen/FLASH90

Masked Palestinian militants from Al-Aqsa Martyrs' Brigades stand next to kidnapped local Hamas leader, Fayyad al Arba, in the West Bank town of Nablus, January 28, 2007. Photo by Haytham Ashtiyeh /Flash90