WASHINGTON (Reuters) – The U.S. Treasury Departmenton Tuesday named Iran’s state-owned Bank Sepah as aproliferator of weapons of mass destruction, and banned alltransactions between it and U.S. businesses. “Bank Sepah is the financial linchpin of Iran’s missileprocurement network and has actively assisted Iran’s pursuit ofmissiles capable of carrying weapons of mass destruction,” saidStuart Levey, Treasury’s Under Secretary for Terrorism andFinancial Intelligence. In addition to prohibiting transactions with Bank Sepah, amajor commercial Iranian bank, Treasury said any assets that itmay have under U.S. jurisdiction are frozen.