Palestinians will mark Nakba in Gaza

Palestinian refugees hold keys symbolizing the right of return for refugees, during a rally in Rafah refugee camp, southern Gaza Strip, ahead of Nakba on May 9, 2012. On May 15 Palestinians mark Nakba, or catastrophe of Israel's founding in the 1948 war, when hundreds of thousands of their brethren fled or were forced to leave their homes. UPI/Ismael Mohamad