Pro-Palestinian demonstrators hold placards, in Marseille, France, Saturday, July 19, 2014, during a demonstration to protest against the Israeli army's shelling in the Gaza strip. (AP Photo)

Pro-Palestinian protesters face police during a demonstration against violence in the Gaza strip, which had been banned by police, in Paris, July 19, 2014. (Photo:Reuters)

Pro-Palestinian demonstrators gather to protest against the Israeli army's bombings in the Gaza strip, in Paris, Saturday, July 19, 2014. Police have clashed with thousands of pro-Palestinian protesters who defied a ban in Paris on marching to protest the Israeli offensive in Gaza. (AP Photo)

Thousands of protesters march through Whitehall in central London, to call for an end to Israeli military action in Gaza and "justice and freedom" for Palestine, Saturday, July 19, 2014. Up to 15,000 people are expected to march through the capital from Downing Street to the Israeli embassy in Kensington. (AP Photo)

Pro-Palestinian Turks stage a protest rally against Israel's ground operation in Gaza Strip, outside the US embassy in Ankara, Turkey, late Saturday, July 19, 2014.(AP Photo)

Pro-Palestinian Turks stage a protest rally against Israel's ground operation in Gaza Strip, outside the US embassy in Ankara, Turkey, late Saturday, July 19, 2014. Turkish Prime Minister Recep Tayyip has intensified Saturday his fiery rhetoric against Israel over its ground invasion of Gaza, accusing the country of “state terrorism” and “genocide.” Placard reads, " They are racing towards savagery!" (AP Photo)

Members of the Palestine community in Chile hold up a Palestine flag during a rally for peace in Gaza, in Valparaiso, northwest of Santiago July 19, 2014.(Photo:Reuters)

A member of the Palestine community in Chile holds up a placard that says: "Humanity is Palestinian" during a rally for peace in Gaza, in Valparaiso, northwest of Santiago July 19, 2014.(Photo:Reuters)

Pro-Palestinian demonstrators wipe their faces with water from a street hose pipe, after riot police fired tear gas, during a demonstration in Paris, Saturday, July 19, 2014.(AP Photo)

Pro-Palestinian demonstrators push a bin to raise a barricade, during a demonstration in Paris, Saturday, July 19, 2014.(AP Photo)

Pro-Palestinian demonstrators take part in a protest against Israel's military action in Gaza, in Marseille July 19, 2014.(Photo:Reuters)

Protesters demonstrate in opposition of the ongoing Israeli military operation on the Gaza strip, in Friday, July 18, 2014, in Philadelphia. Israeli troops pushed into Gaza on Friday in a ground offensive that officials said could last up to two weeks as the prime minister ordered the military to prepare for a "significantly" wider campaign. (AP Photo)

Protesters march in opposition of the ongoing Israeli military operation on the Gaza strip, in Friday, July 18, 2014,(AP Photo)

Ahmad Abuleil waves a Palestinian flag as he leads Amira Sakalla, head of University of Tennessee Students for Justice In Palestine, and others in a march in Knoxville, Tenn. on Friday, July 18, 2014.(AP Photo)