"We are pleased on this occasion to commend the historically strong relations existing between our two countries and our aspiration to achieve peaceful and just solutions, including security and stability in the Middle East and all other parts of the world. We also stress our keenness to continue strengthening relations between our two countries in all spheres," the king said in his message. Crown Prince Sultan, deputy premier and minister of defense and aviation, also congratulated Cameron on the occasion, the Saudi Press Agency reported on Thursday.