[HIGHLIGHTS] Because of the wiretapping of its Secretary General. UN formally protests in Washington

U.N. says it is concerned about leaked documents.

U.S. government has been accused of eavesdropping on U.K. officials. The U.N.: Leaked documents are contrary to the United States' obligations to protect national security. The United States is investigating the leak, according to reports. The leak is believed to be related to U.A.E. operations in Ukraine, the report says. The leaked documents are believed to have come from a U.B. intelligence agency.