Greek Prime Minister Antonis Samaras faces a growing revolt from his coalition partners as representatives of the country's lenders press for more changes to the country's labor market as a condition for releasing further bailout funds.

Evangelos Venizelos of Pasok and the Democratic Left's Fotis Kouvelis, whose parliamentary seats give Samaras the majority in Parliament he needs to govern, both said they wouldn't accept further changes to labor rules after a three- hour meeting with the prime minister in Athens yesterday.

"Further interventions on labor issues don't help productivity, competitiveness or employment," Venizelos told state-run NET TV. "We must look elsewhere now and the insistence on this is wrong," he said, adding some European Union members were "playing with fire."