Cameron's EU referendum unsettles some British expatriates in the Spanish sun

British migrants watch an information board as they play boules at The British Society in Benalmadena, near Malaga, southern Spain, September 30, 2015. For some sun-seeking Britons, a cloud has formed over the whitewashed villages, beach bars and golf courses of Spain - the risk that Britain will drop out of the European Union. REUTERS/Jon Nazca

FUENGIROLA, Spain (Reuters) - For some sun-seeking Britons, a cloud has formed over the whitewashed villages, beach bars and golf courses of Spain - the risk that Britain will drop out of the European Union.

Over the last three decades, hundreds of thousands of Britons have used the EU's right to free movement to settle in Spain, drawn by warmer weather, cheaper property and a new life.