Palestinian women hold pictures of prisoners jailed in Israel during a rally calling for their release, in the West Bank city of Nablus, Monday, Feb. 4, 2013. Israeli forces arrested 20 members of the Palestinian militant group Hamas, including three lawmakers, in a raid early Monday in the West Bank, Hamas officials said. (AP Photo/Nasser Ishtayeh)
Palestinian women hold pictures of prisoners jailed in Israel during a rally calling for their release, in the West Bank city of Nablus, Monday, Feb. 4, 2013. Israeli forces arrested 20 members of the Palestinian militant group Hamas, including three lawmakers, in a raid early Monday in the West Bank, Hamas officials said. (AP Photo/Nasser Ishtayeh)
Palestinians protesters react to tear gas shot by Israeli soldiers during clashes near the West Bank village of Qusra, near Nablus, on Tuesday, Jan. 1, 2013. (AP Photo/Nasser Ishtayeh)
Palestinians protesters react to tear gas shot by Israeli soldiers during clashes near the West Bank village of Qusra, near Nablus, on Tuesday, Jan. 1, 2013. (AP Photo/Nasser Ishtayeh)
Palestinians hold pictures of President Mahmoud Abbas and wave flags during a rally supporting the Palestinian U.N. bid for observer state status, in the West Bank city of Nablus on Thursday, Nov. 29, 2012. (AP Photo/Nasser Ishtayeh)
A Palestinian is arrested by Israeli security forces during a protest against the Israeli military operations in Gaza Strip near the West Bank city of Nablus, Sunday, Nov. 18, 2012. (AP Photo/Nasser Ishtayeh)
A Palestinian is arrested by Israeli security forces during a protest against the Israeli military operations in Gaza Strip near the West Bank city of Nablus. (AP Photo/Nasser Ishtayeh)
Palestinian Hamas supporters hold banners of prisoners arrested by the Palestinian Authority and call for their release during a protest in the West Bank city of Nablus on Monday, Jan. 9, 2012. (AP Photo/Nasser Ishtayeh)
Palestinian children hold posters of Palestinian President Mahmoud Abbas during a rally in the village of Azmut, near the West Bank city of Nablus, on Sunday, Sept. 18, 2011. Mr. Abbas is set to address the United Nations this week to ask the world to recognize a Palestinian state. (AP Photo/Nasser Ishtayeh)
