Greece is mired in a deep recession, with its economy contracting by nearly a quarter over the past four years, and unemployment spiraling to above 25 percent.
"This is why we say you are dangerous for this country," Tspiras said, addressing the government. "You are incapable of negotiating."
Tspiras promised to repeal the austerity laws and negotiate "on an equal footing" with the country's creditors if he were to come to power.
In an opinion poll published in the Sunday newspaper To Vima, 66 percent opposed the new austerity measures, but 52 percent said the government, which emerged from June elections, should be given more time to handle the economic crisis.The poll showed Syriza, which came second in June's elections, ahead of coalition leader center-right New Democracy by nearly 3 percentage points. The extreme right-wing nationalist Golden Dawn party continued its strong showing with more than one in 10 respondents preferring it. The poll involved 1,017 respondents with a margin of error of 3.07 percent. ____ Frank Jordans in Berlin contributed.