Polls have closed in the Greek elections which could see the radical leftist Syriza party take power, which has pledged to ditch painful austerity measures imposed during the economic crisis. Syriza's 40-year-old leader, Alexis Tspiras, has promised to renegotiate the repayment terms of Greece's €318bn debt and restore the country's "dignity" by tackling the soaring unemployment and mass wage ...