Palestinian protesters run to take cover from tear gas canisters during clashes with Israeli troops after a protest marking the Nakba Day at Hawara checkpoint near the West Bank city of Nablus, on May 15, 2018. The Palestinians on Tuesday marked the Nakba Day, or "the Day of Catastrophe," to demand their rights of return to homes occupied by Israel in the 1948 war. (Xinhua/Nidal Eshtayeh)