Palestinian men guard at the buildings of a unfinished UN housing project for refugees in Rafah, southern Gaza Strip, on 17 March, 2009.Photo By Abed Rahim Khatib / Flash90.

Palestinian men guard at the buildings of a unfinished UN housing project for refugees in Rafah, southern Gaza Strip, on 17 March, 2009.Photo By Abed Rahim Khatib / Flash90.

A Palestinian cyclist next to the buildings of a unfinished UN housing project for refugees in Rafah, southern Gaza Strip, on 17 March, 2009.Photo By Abed Rahim Khatib / Flash90.

Teenagers ares seen during a demonstration outside Prime Minister Ehud Olmert's office calling for the outgoing government to agree to a prisoner swap with the militant Islamic group Hamas in the Gaza Strip, on March 17, 2009 in Jerusalem, Israel. In a letter, Noam Shalit, father of the captured Israeli soldier, implored the Prime Minister to close a deal for his son's release as the cabinet sat in a special session after indirect talks between Israel and Hamas in Cairo failed to achieve a breakthrough that would free Shalit in return for the release of hundreds of Palestinian prisoners. Photo by Kobi Gideon / FLASH90

Teenagers are seen during a demonstration outside Prime Minister Ehud Olmert's office calling for the outgoing government to agree to a prisoner swap with the militant Islamic group Hamas in the Gaza Strip, on March 17, 2009 in Jerusalem, Israel. In a letter, Noam Shalit, father of the captured Israeli soldier, implored the Prime Minister to close a deal for his son's release as the cabinet sat in a special session after indirect talks between Israel and Hamas in Cairo failed to achieve a breakthrough that would free Shalit in return for the release of hundreds of Palestinian prisoners. Photo by Kobi Gideon / FLASH90

Young Israeli teenager with tied hands and a sticker on her mouth is seen during a demonstration outside Prime Minister Ehud Olmert's office calling for the outgoing government to agree to a prisoner swap with the militant Islamic group Hamas in the Gaza Strip, on March 17, 2009 in Jerusalem, Israel. In a letter, Noam Shalit, father of the captured Israeli soldier, implored the Prime Minister to close a deal for his son's release as the cabinet sat in a special session after indirect talks between Israel and Hamas in Cairo failed to achieve a breakthrough that would free Shalit in return for the release of hundreds of Palestinian prisoners. Photo by Kobi Gideon / FLASH90

Israeli youth carry a large banner showing a composite image of Gilad Shalit during a demonstration outside Prime Minister Ehud Olmert's office calling for the outgoing government to agree to a prisoner swap with the militant Islamic group Hamas in the Gaza Strip, on March 17, 2009 in Jerusalem, Israel. In a letter, Noam Shalit, father of the captured Israeli soldier, implored the Prime Minister to close a deal for his son's release as the cabinet sat in a special session after indirect talks between Israel and Hamas in Cairo failed to achieve a breakthrough that would free Shalit in return for the release of hundreds of Palestinian prisoners. Photo by Kobi Gideon / FLASH90

Israeli youth shout slogans during a demonstration outside Prime Minister Ehud Olmert's office calling for the outgoing government to agree to a prisoner swap with the militant Islamic group Hamas in the Gaza Strip, on March 17, 2009 in Jerusalem, Israel. In a letter, Noam Shalit, father of the captured Israeli soldier, implored the Prime Minister to close a deal for his son's release as the cabinet sat in a special session after indirect talks between Israel and Hamas in Cairo failed to achieve a breakthrough that would free Shalit in return for the release of hundreds of Palestinian prisoners. Photo by Kobi Gideon / FLASH90

Israeli youth shout slogans during a demonstration outside Prime Minister Ehud Olmert's office calling for the outgoing government to agree to a prisoner swap with the militant Islamic group Hamas in the Gaza Strip, on March 17, 2009 in Jerusalem, Israel. In a letter, Noam Shalit, father of the captured Israeli soldier, implored the Prime Minister to close a deal for his son's release as the cabinet sat in a special session after indirect talks between Israel and Hamas in Cairo failed to achieve a breakthrough that would free Shalit in return for the release of hundreds of Palestinian prisoners. Photo by Kobi Gideon / FLASH90

Noam Shalit (L) and Aviva Shalit, the parents of captured Israeli soldier Gilad Shalit, look through a photo album with an unidentified family friend (R) as they maintain a vigil outside Prime Minister Ehud Olmert's office March 17, 2009 in Jerusalem, In a letter, Noam Shalit, father of the captured Israeli soldier, implored the Prime Minister to close a deal for his son's release as the cabinet sat in a special session after indirect talks between Israel and Hamas in Cairo failed to achieve a breakthrough that would free Shalit in return for the release of hundreds of Palestinian prisoners. Photo by Kobi Gideon / FLASH90

Aviva Shalit, and Yoel Shalit the mother and brother of captured Israeli soldier Gilad Shalit, look through a photo album with an unidentified family friend (C) as they maintain a vigil outside Prime Minister Ehud Olmert's office March 17, 2009 in Jerusalem, In a letter, Noam Shalit, father of the captured Israeli soldier, implored the Prime Minister to close a deal for his son's release as the cabinet sat in a special session after indirect talks between Israel and Hamas in Cairo failed to achieve a breakthrough that would free Shalit in return for the release of hundreds of Palestinian prisoners. Photo by Kobi Gideon / FLASH90

Noam Shalit, the father of captured Israeli soldier Gilad Shalit, stands outside Prime Minister Ehud Olmert's office March 17, 2009 in Jerusalem, In a letter, Noam Shalit, father of the captured Israeli soldier, implored the Prime Minister to close a deal for his son's release as the cabinet sat in a special session after indirect talks between Israel and Hamas in Cairo failed to achieve a breakthrough that would free Shalit in return for the release of hundreds of Palestinian prisoners. Photo by Kobi Gideon / FLASH90