The threats came as the U.S. military expanded strikes against Iran this week.
The president’s remarks came amid intensifying U.S. military operations against Iran and Tehran’s attempts to restrict Gulf shipping flows.
The move comes in the wake of Iran’s attacks on commercial vessels in the Strait of Hormuz.
The strikes are meant to erode Tehran’s military capabilities used to target ships in the Strait of Hormuz.
The new blockade was announced on July 14 amid more U.S. and Iranian strikes.
The latest attacks mark the fifth consecutive day of U.S. strikes targeting Iran’s ability to project force into the Gulf and attack oil tankers.
U.S. officials said the network relied on shell companies and overseas businesses to hide its ties to Iran while moving sanctioned oil around the world.
When asked how long the military actions against Iran would last, Trump said, ‘They’ll continue until I say it’s enough.’
The strikes mark the fourth straight day of new attacks targeting Iran.
The U.S. State Department on Monday abruptly canceled all consular appointments in the United Arab Emirates for three days.
The latest announcement is ‘based on highly productive conversations with Middle East leadership,’ the U.S. president said.
U.S. forces first imposed the blockade in mid-April.
The Yemeni terror group said it was responding to an attack on Sanaa Airport, which it blamed on Saudi Arabia.
Tensions have ratcheted up after Iran attacked ships in the Strait of Hormuz and U.S. forces hit Iranian targets that threatened freedom of navigation.
Trump warned Iran to ‘be ready’ as he threatened the underground complex near Natanz, one of Tehran’s most heavily protected nuclear facilities.
‘These strikes were limited, measured, planned, and executed in a manner designed to minimize civilian casualties,’ the president wrote in his letter.
The Iranian attacks on commercial vessels have led to the resumption of hostilities with the United States and a surge in oil prices.
The attacks come after Trump said he would reinstate a blockade of Iranian ports in the Strait of Hormuz.
The U.S. Central Command hit Iran’s main naval base with three one-way attack sea vessels on July 12.
‘We’ll become the guardian of the strait ... and we should be reimbursed for that,’ the U.S. president said Monday.