The euro zone is in its most dangerous situation in more than two years, Finnish Prime Minister Jyrki Katainen was quoted as saying on Wednesday.
"This situation is dangerous, very dangerous," Katainen said in an interview with Finland's biggest daily, Helsingin Sanomat.
He added that the last time the euro zone's situation was so critical was in May 2010, when Greece was near collapse for the first time.
Katainen said the euro zone's difficult situation had created lack of trust between AAA-rated northern countries and southern European countries grappling with debt crises.
"All euro area countries want to keep euro. There are differences of opinions about what kind of actions that requires," he said.