A man reacts as police use tear gas on the Republique square in Paris, during a banned demonstration against Israel's military operation in Gaza and in support of the Palestinian people, on July 26, 2014. French authorities banned on July 26, 2014 a new pro-Palestinian demonstration over concerns it could turn violent as previous rallies have, but demonstrators may ignore the ban as they did last weekend. US Secretary of State John Kerry and other top diplomats from Europe and the Middle East began talks in Paris on July 26 to press efforts for a long-term ceasefire between Israel and Hamas. AFP PHOTO / KENZO TRIBOUILLARD        (Photo credit should read KENZO TRIBOUILLARD/AFP/Getty Images)