The United States has threatened Iran with sweeping economic isolation and said new measures are due next week, while renewed attacks in the Strait of Hormuz kept pressure on shipping and energy markets.

"It will be a combination of economic isolation like the world has never seen before, and the continued blockade in the Strait of Hormuz that will keep anything from going in or…

US President Donald Trump is holding firm on Iran, claiming "total control" over the Strait of Hormuz and vowing to use economic pressure.