British Prime Minister David Cameron has received a written message from HE Qatar''s Prime Minister and Foreign Minister Sheikh Hamad bin Jassim bin Jabor Al Thani pertaining to bilateral relations and issues of mutual concern. The letter was received by the British Prime Minister''s Private Secretary John Cason during his meeting with HE Qatar''s Ambassador to the United Kingdom Khalid bin Rashid al-Humodi al-Mansouri last night.