London, Jumada II 21, 1432, May 24, 2011, SPA - US President Barack Obama began a three-day state visit to Britain Tuesday. After an official reception by the queen later Tuesday, Obama is due to meet with Prime Minister David Cameron and other party leaders, according to a report of the German Press Agency "DPA". In a joint article published in the Times Tuesday, Obama and Cameron said the traditionally close ties between the US and Britain were "an essential relationship for us and for the world." --SPA 11:59 LOCAL TIME 08:59 GMT www.spa.gov.sa/895896