Israeli troops run toward Palestinian stone-throwers (not seen) during clashes in the Shuafat refugee camp in the West Bank near Jerusalem March 16, 2010. Palestinians mounted violent protests in Jerusalem on Tuesday and President Barack Obama’s Middle East envoy cancelled plans to return to the region as a U.S.-Israeli crisis over Jewish settlement plans deepened. REUTERS/Ammar Awad (WEST BANK – Tags: POLITICS CIVIL UNREST MILITARY)