China on Tuesday threatened to retaliate if Beijing is hit by Donald Trump's new Iran sanctions, raising fears of a fresh trade war between the two superpowers.

Iran warns that countries backing US economic sanctions will be considered an enemy of Tehran.

China calls for dialogue over sanctions as the US announces its toughest-ever Iran measures six months into an active US-Iran conflict.

Iran has vowed to retaliate against expanded US economic sanctions, warning Washington of attacks on vital interests and energy chokepoints if its infrastructure is threatened.…

Iran vows retaliation after the US expands economic sanctions, while Washington warns trading partners and China rejects sanctions and pressure tactics.