Mr Cameron's visit comes amid continuing pressure for Britain to open its doors to some of the hundreds of thousands of refugees who have arrived in Europe this year after making the perilous, and often fatal, journey across the Mediterranean.
Britain has refused to join an EU quota scheme to resettle 160,000 of the migrants around Europe, with Mr Cameron stressing that the vast majority (97 per cent) of the 11 million displaced Syrians remain in their own country or neighbouring states in the Middle East - despite scenes of refugees massing at railway stations and border crossings in Europe