Israeli security officers detain a Palestinian stone-thrower during clashes to protest against Israeli military operation in the Gaza Strip, in the East Jerusalem neighborhood of Issawiya, Nov. 15, 2012. Israeli Defense Forces (IDF) declared Wednesday evening the commencement of "Operation Pillar of Defense" in the Hamas-controlled Gaza Strip, starting with the targeted killing of Hamas military wing chief Ahmed al-Jaabari and a series of air strikes. (Xinhua/Muamar Awad)

Palestinians throw stones at Israeli security forces during clashes to protest against Israeli military operation in the Gaza Strip, in the East Jerusalem neighborhood of Issawiya, Nov. 15, 2012. Israeli Defense Forces (IDF) declared Wednesday evening the commencement of "Operation Pillar of Defense" in the Hamas-controlled Gaza Strip, starting with the targeted killing of Hamas military wing chief Ahmed al-Jaabari and a series of air strikes. (Xinhua/Muamar Awad)