Amid growing calls from Tory MPs for David Cameron to respond to the Ukip threat by bringing forward legislation on an EU referendum, Farage warned that his party would not go away even if No 10 "starts singing the same song". William Hague, who famously suffered a major defeat in the 2001 election after tacking to the right, called for a cautious response to Ukip as he warned of the dangers of "quick fixes". Philip Hammond, the defence secretary, said many Ukip voters were "frustrated Conservatives". As the Tories work out their response to Ukip, which won nearly a quarter...