Iran could retaliate against the U.S. strikes on its nuclear facilities by shutting down the Strait of Hormuz, a move that would likely cause oil and gas prices to surge.

The all-caps post came hours after weekend bombings in Iran rattled oil markets and reignited fears of rising fuel costs.

Trump's message comes after the U.S. bombed Iran's nuclear sites, putting the world on edge that the Islamic Republic might target energy supplies.