number european politicians include jeroen dijsselbloem top eurozone official say vote would jeopardize greece place 19-nation eurozone investors also likely believe win increase chance so-called grexit greece return old currency athens greece ap greeks overwhelmingly reject creditors demand austerity return rescue loan critical referendum sunday back prime minister alexis tsipras insist vote would give strong hand reach good deal.tsipras gamble future 5-month-old left-wing government vote opposition accuse jeopardize country membership 19-nation club use euro say yes vote keep common currency.with 70 percent vote count side 60 percent interior ministry predict margin would hold.finance minister yanis varoufakis say sunday night creditors plan start shut bank humiliate greeks force make statement contrition show debt loan unsustainable.on sunday night result say big yes democratic europe vision europe infinite cage people loud yes vision eurozone common area prosperity social justice thousands government supporters gather central athens celebration wave greek flag chant govern left-wing syriza party eurodeputy dimitris papadimoulis say greek people prove want remain europe equal members debt colony referendum greece first 41 years.minister state nikos papas speak alpha television say would wrong link result exit eurozone prevail help us get good agreement read ap grexit greeks vote austerity return rescue loan