Beirut, May 24, 2010, SPA -- Lebanese Prime Minister Saad Hariri is in Washington to discuss Middle East security issues and peace efforts with U.S. President Barack Obama. It is the first official visit to Washington by Saad Hariri since he became Prime Minister in 2009, according to a report of the Associated Press. --SPA 11:33 LOCAL TIME 08:33 GMT www.spa.gov.sa/784427