United Nations Secretary-General Ban Ki-moon (C) makes a speech during his visit to the damaged UN compound in Gaza City, on January 20, 2009. Ban Ki-moon on Tuesday visited the UN offices seriously damaged in recent Israeli military attacks on the Gaza Strip, saying the cycle of violence in the territory must end. Ban Ki-moon also called on Israel and Hamas to show restraint and observe their cease-fire. [Xinhua]

United Nations Secretary-General Ban Ki-moon (C) visits the damaged UN compound in Gaza City, on January 20, 2009. [Xinhua]