The Trump administration has expanded its secondary sanctions against entities and countries doing business with Iran, warning them to cut ties with Tehran or risk losing access to the US dollar-based financial system.

Iran's rial slumps to record low ahead of sanctions announcement; Tehran charges measures prove US failed in war, says it issued warnings against cooperating with pressure campaign

The Trump administration, led by Treasury Secretary Scott Bessent, plans its strongest financial campaign yet against Tehran, signaling a decisive escalation in economic pressure.

Washington vows to isolate Tehran in 'economic D-Day' as Trump cranks up pressure on allies

The United States is set to launch a significant financial offensive against Iran. This move aims to pressure countries to sever economic ties with Tehran. Measures will broaden…