Palestinians living in Syria shout slogans and wave flags during a gathering to commemorate the Nakba Day in Ein al Tina village, some 65 kilometers southwest of the capital Damascus, Syria, May 15, 2011. Four people were reportedly killed and dozens were wounded Sunday afternoon when Israel Defense Forces (IDF) troops opened fire on hundreds of demonstrators attempting to infiltrate the security fence between Israel and Syria in Golan Heights, local media reported. [Xinhua/Bassim]