US will impose 'toughest sanctions in history' on Iran, Bessent says

By Kanishka Singh and Jana ChoukeirWASHINGTON/DUBAI, Aug 20 (Reuters) - The U.S. will impose "the toughest sanctions in history" on Iran,Treasury Secretary Scott Bessent said on Thursday, a focus on economic measures he suggested would lessen the need for new major military operations against Tehran.His statement followed President Donald Trump's threat a day earlier of "Economic Warfare" and warning of economic consequences against any country that provided "any type of lifeline to Iran".