Washington, Shawwal 3, 1435, Jul 30, 2014, SPA -- The United States Wednesday condemned Israel's shelling of a U.N. school in Gaza that was sheltering displaced Palestinians. White House spokeswoman Bernadette Meehan said that the United States is also "extremely concerned" that thousands of Palestinians are not safe in U.N.-designated shelters in Gaza. Meehan said that the escalation shows the need for a ceasefire as soon as possible. --SPA 22:55 LOCAL TIME 19:55 GMT www.spa.gov.sa/w