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The U.S. has expressed support for the IMF to take part in an aid program for Greece, whose government has faced violent protests over austerity measures aimed to avoid default next month.

Francois Baroin told Europe-1 radio that while details will have to be worked out, “the political commitments have been made” for a new $171 billion bailout for Athens.

“We now have all the elements of a deal — elements of a participation that remains voluntary for banks and private lenders, and for public lenders states, central banks,” he said.

The measures, coming after months of delay, would mark a second massive bailout for Athens. Critics doubt Greek political leaders’ commitment to austerity, and difficult details remain to be ironed out.

Greece is straining to secure the rescue loans and the debt relief deal quickly to avoid defaulting on a €14.5 billion bond redemption on March 20. The government has already pushed a massive austerity and reform package though parliament and is expected to introduce in Parliament on Monday two more pieces of emergency legislation, including wage and pension cuts. There were scattered protests over the cuts in Athens on Sunday.