Washington, Ramadan 19, 1435, Jul 16, 2014, SPA -- U.S. officials are "doing everything in our power" to mediate a cease-fire between Israel and Palestine and stop the violence in the Gaza Strip. "Our concern is to have a legitimate cease-fire and see if we can find a way to stop the conflict and killing so we can get to the real issues that are underlying it," U.S. Secretary of State John Kerry told reporters ahead of a meeting with visiting Foreign Minister Jean Asselborn of Luxembourg. --SPA 23:48 LOCAL TIME 20:48 GMT www.spa.gov.sa/w