Debt Restructuring Russia Sues Ukraine Over $3 Billion Debt Russia has filed a lawsuit against Ukraine for its upaid debt amounting to $3 billion. The lawsuit w... Feb 18, 2016 07:39 AM EST Argentina slams U.S. judge as 'imperialist,' peso halts rout Argentina on Friday accused the U.S. judge who called the country's new debt restructuring plan ille... Aug 23, 2014 02:52 AM EDT