Palestinians Mark Nakba Day

Palestinian women take part in celebrations after a deal to end a prisoners hunger strike was agreed to, in the West Bank city of Ramallah, May 14, 2012.

A Palestinian man stands in a symbolic prison cell during a protest supporting Palestinian inmates on hunger strike in Israeli jails, in the West Bank city of Ramallah, May 14, 2012.

A Palestinian man gestures from inside a mock prison cell during a rally in the West Bank city of Ramallah, in support of Palestinian prisoners on a hunger strike in Israeli jails, May 14, 2012.

A Palestinian boy readies to throw a flaming molotov cocktail towards Israeli soldiers deployed at the entrance of the al-Aroub Palestinian refugee camp, May 15, 2012.

An elderly Palestinian man walks past Israeli soldiers deployed at the entrance of the al-Aroub Palestinian refugee camp, just north the West Bank town of Hebron, May 15, 2012.

Palestinians hold up a symbolic key during the 64th anniversary of "Nakba", Arabic for catastrophe, the term used to mark the events leading to Israel's founding in 1948, in Gaza City, May 15, 2012.