The Treasury Department has taken action against a financial institution. This move is part of a broader effort to restrict certain government activities. A Turkish bank is now facing sanctions due to its alleged role in facilitating transactions.

The bank's activities are said to have supported efforts to move oil revenues. Further details about the sanctions and the bank's alleged actions are available.

The US government has been working to isolate a certain country from its trading partners. This latest action is a continuation of those efforts.