Gaza City, City, Rabi'II 18, 1433, Mar 11, 2012, SPA - The latest Israeli airstrike in Gaza killed a 12-year-old boy Sunday, bringing the death toll to 17 from two days of bombing, Palestinian medical sources said. On Saturday, Palestinian President Mahmoud Abbas called on international leaders to bring a stop to the attacks. European Union foreign policy chief Catherine Ashton urged both sides to "avoid further escalation" and "re-establish calm." "I very much deplore the loss of civilian life," she said in a Saturday statement quoted by CNN. --SPA 11:33 LOCAL TIME 08:33 GMT www.spa.gov.sa/978298