New York, Jumada Al-Awwal 05, 1432, April 09, 2011, SPA -- United Nations Secretary General Ban Ki-moon has expressed his concern over the escalating violence in Gaza. He made this remark during a meeting with Israeli President Shimon Peres on Friday during which they discussed the "worrying impasse" and urgent need to revive the Middle East peace process, a UN spokesman said. "The secretary general urged maximum restraint from both sides," said UN spokesman Martin Nesirky. --SPA 13:54 LOCAL TIME 10:54 GMT www.spa.gov.sa/881882