Eurosceptics complicate Cameron's referendum strategy

London

THE diehard eurosceptics whom British Prime Minister David Cameron tried to appease by promising a referendum on leaving the EU look set to cause him a series of headaches now the vote is on.

Mr Cameron is in talks with fellow leaders to secure concessions on Britain's relationship with the European Union before a referendum due by the end of 2017, but increasingly expected in 2016.

While those negotiations will be challenging as countries such as Poland resist plans to limit migrants' access to state benefits,…