The President spoke today by phone with British Prime Minister Cameron, continuing their regular and close consultations on issues of mutual concern. The President and Prime Minister discussed the economic situation in Europe, as well as preparations for the June 18-19 G-20 Summit in Los Cabos, Mexico. The President also commended the Prime Minister for the special forces raid over the weekend that freed several hostages in Afghanistan, including a British aid worker. Finally, the President reiterated his congratulations to Her Majesty, the Queen, on the occasion of her Diamond Jubilee.
Barack Obama, Readout of the President's Call with Prime Minister Cameron of the United Kingdom Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/301267