Iran has issued a warning to the international community, declaring that any nation joining U.S. economic restrictions will be treated as an enemy.

Iranian officials have fiercely condemned new sweeping US economic sanctions as a declaration of war, pushing back against Donald Trump's territorial claims over the Strait of Hormuz.

Shifting from military strikes to economic warfare, the US administration has warned international partners against aiding Tehran's financial or energy sectors.

US President Donald Trump announced a major economic operation against Iran, threatening severe penalties for any nation maintaining commercial ties with Tehran.