Updated

The US Treasury Department imposed sanctions on October 21 on Karnakis and Karnakis, a law firm based in Greece and Panama, accusing it of providing years of legal assistance to Iran's shadow shipping fleet and helping it evade oil export restrictions. The Treasury's Financial Crimes Enforcement Network also issued an administrative subpoena targeting an unnamed Greek bank and sent information requests to six other European banks over potential Iran ties. The action is part of Washington's ongoing campaign to disrupt networks that help Iran sell oil and other exports despite sanctions.