Palestinians burn tyres during brief clashes with Israel security forces in Qalandiya checkpoint, near the West Bank city of Ramallah May 14, 2011. Palestinians will mark «Nakba Day» (Catastrophe) on May 15 to commemorate the expulsion or fleeing of hundreds of thousands of Palestinians from their homes in the war that led to the founding of Israel in 1948
. REUTERS/Mohamad Torokman (WEST BANK — Tags: POLITICS RELIGION CIVIL UNREST)


