NEW : The leader of the socialist New Democracy 's says it wo n't support Syriza . The tribulations of New Democracy and PASOK were matched by triumphs of a number of other parties that were also-rans and in some cases nonexistent just a few years ago , propelled by voters angry about stringent austerity measures . European Commission leader warns the Syriza bloc could take Italy out of the eurozone . Syriza leader Fotis Kouvelis is trying to form a government after elections that punished politicians . Greece should stand by the bailout terms , a European Commission spokeswoman says .
NEW : The leader of the socialist New Democracy 's says it wo n't support Syriza . European Commission leader warns the Syriza bloc could take Italy out of the eurozone . Syriza leader Fotis Kouvelis is trying to form a government after elections that punished politicians . Greece should stand by the bailout terms , a European Commission spokeswoman says .