Dozens of groups in Iran and other countries face US sanctions over ties to Iranian oil, weapons and cyberoperations.

Tehran has threatened to retaliate against any country that joins new US economic measures.

In what Donald Trump has called "economic D-Day," the US says the new economic sanctions will be "the single greatest financial offensive ever marshaled." Tehran says any support…

United States Treasury Secretary Scott Bessent announced a new sanctions campaign targeting Iran. He warned all countries have a defined timeline to cease identified activities. …

The US has announced fresh Iran sanctions and warned countries trading with Tehran of retaliation as Washington intensifies economic pressure on Iran.