The United States is preparing a new sanctions campaign against Iran as Tehran threatens to stop oil exports from the Gulf and retaliate against countries that support Washington. The measures come six months into the US-Israeli war against Iran, with shipping through the Strait of Hormuz restricted and diplomatic efforts under way. US Treasury Secretary Scott Bessent is due to announce the measures on Monday.

Iran warns of a devastating response as the US prepares tougher sanctions, while falling oil flows through Hormuz raise concerns over global energy supplies.

Tehran says Washington's plan to turn up economic pressure contradicts international law; oil traffic through Hormuz still near a standstill

The United States is set to announce stringent economic sanctions against Iran. These measures could significantly impact Iran and its key trading partners like China. Oil…