US expands Iran sanctions, warns of global financial risks

The United States announced a major expansion of its sanctions campaign against Iran on Monday, warning countries and companies worldwide that they must sever economic ties with Tehran or risk being cut off from the global financial system. The move, described by U.S. Treasury Secretary Scott Bessent as an "economic D-Day," aims to cripple the Iranian government's revenue streams as a nearly six-month-old war continues to disrupt energy markets and regional stability. Bessent unveiled the measures at a press conference, stating the objective was to "sever every economic lifeline that sustains this tyrannical regime.