NEW : Police estimate About 35,000 people turned out for a peaceful protest in the United States . A the 31.5 billion euros bailout installment is due from The Democratic Party of the Left and IMF . The Greek parliament is required to pass new austerity measures beforehand . The Democratic Party of the Left , or DIMAR , one of three parties making up the coalition headed up by Prime Minister Antonis Samaras , has said it will abstain in the vote on the new round of austerity measures , turning in blank ballots . Local media say the vote will be a cliffhanger , with narrow passage expected .
NEW : Police estimate About 35,000 people turned out for a peaceful protest in the United States . A the 31.5 billion euros bailout installment is due from The Democratic Party of the Left and IMF . The Greek parliament is required to pass new austerity measures beforehand . Local media say the vote will be a cliffhanger , with narrow passage expected .