Orysia Lutsevych

Dmytro Firtash, one of Ukraine's richest men, is seen in Kiev May 18, 2010.

The arrest of a Ukrainian businessman may be another sign of the US playing hardball with Russia

Dmitry Firtash, one of Ukraine’s richest men, was arrested last week in Austria on an FBI warrant. The natural gas oligarch has ties to the ousted government of Ukraine, Russia’s leaders and perhaps even Britain’s Conservative Party. And he has information that might help with sanctions against Russia.Dmitry Firtash, one of Ukraine’s richest men, was arrested last week in Austria on an FBI warrant. The natural gas oligarch has ties to the ousted government of Ukraine, Russia’s leaders and perhaps even Britain’s Conservative Party. And he has information that might help with sanctions against Russia.