The Turkish Foreign Ministry has rejected a call by top European Union officials to show restraint in a row with the Netherlands over political campaigning. It described as worthless an appeal by EU Foreign Policy Chief Federica Mogherini and EU Enlargement Commissioner Johannes Hahn. The row erupted after the Dutch barred Turkish Ministers from campaigning among expatriates for a referendum.<br/>'<br/>In response to the Dutch move, Turkey barred the Dutch Ambassador from returning to Ankara and suspended high-level political talks, while Turkish President Recep Tayyip Erdogan accused the Dutch of using Nazi tactics. The Dutch Government cited risks to public order and security as reasons for blocking the Turkish rallies. <br/>'<br/>Voters in the Netherlands go to the polls on Wednesday for a general election dominated by concerns about immigration and Islamic radicalism.<br/>'<br/><br/>