MADRID (Reuters) – Prince Kardam of Bulgaria, the eldest son of the former king of Bulgaria, was seriously injured when his car crashed into a tree on a Madrid highway on Friday, a traffic police spokesman said.

UNITED NATIONS (Reuters) – U.N. Secretary-General Ban Ki-moon has so far been unable to contact Russian President Dmitry Medvedev by telephone to discuss the crisis in Georgia, a U.N. spokesman said on Friday.

TBILISI (Reuters) – Georgian President Mikheil Saakashvili on Friday said he had signed a ceasefire agreement ending hostilities with Russia over the breakaway region of South Ossetia.