Israeli Arabs shout slogans during a demonstration marking Land Day in Israeli northern town of Sakhnin on March 30, 2013. Land Day is the annual commemoration of protests in 1976 against Israel's appropriation of Arab-owned land in Galilee. (Xinhua/Muammar Awad)

Israeli Arabs carry a huge Palestinian flag during a demonstration marking Land Day in Israeli northern town of Sakhnin on March 30, 2013. Land Day is the annual commemoration of protests in 1976 against Israel's appropriation of Arab-owned land in Galilee. (Xinhua/Muammar Awad)

Israeli Arabs wave Palestinian flags during a demonstration marking Land Day in Israeli northern town of Sakhnin on March 30, 2013. Land Day is the annual commemoration of protests in 1976 against Israel's appropriation of Arab-owned land in Galilee. (Xinhua/Muammar Awad)

Israeli Arabs carry a huge Palestinian flag during a demonstration marking Land Day in Israeli northern town of Sakhnin on March 30, 2013. Land Day is the annual commemoration of protests in 1976 against Israel's appropriation of Arab-owned land in Galilee. (Xinhua/Muammar Awad)

A female Palestinian protester raises a national flag in front of Israeli soldiers at Qalandiya checkpoint near the West Bank city of Ramallah on March 30, 2013. Land Day commemorates the killing of six Palestinians by Israeli security forces in 1976 during a protest against the expropriation of their lands by the Israeli government in the northern Galilee region. (Xinhua/Fadi Arouri)

A Palestinian protester hurls stones towards Israeli soldiers at Qalandiya checkpoint near the West Bank city of Ramallah on March 30, 2013. Land Day commemorates the killing of six Palestinians by Israeli security forces in 1976 during a protest against the expropriation of their lands by the Israeli government in the northern Galilee region. (Xinhua/Fadi Arouri) 

Palestinians hurl stones toward Israeli soldiers during clashes in the West Bank village of Al-Khader near Bethlehem on March 30, 2013. Riots broke out Saturday across the West Bank on the Palestinian Land Day, leaving two Israeli soldiers and one Israeli toddler lightly wounded. (Xinhua/Luay Sababa)

An Israeli army vehicle is seen inverted during clashes in the West Bank village of Al-Khader near Bethlehem on March 30, 2013. Riots broke out Saturday across the West Bank on the Palestinian Land Day, leaving two Israeli soldiers and one Israeli toddler lightly wounded. (Xinhua/Luay Sababa)