The Strait of Hormuz has been a flashpoint since the US-Iran war started more than two months ago after the US struck several key Iranian sites and Iran retaliated

What could the United States' blockade in the Strait of Hormuz look like and what impact might it have? Here's what to know.

President Donald Trump said his representatives are having “positive discussions” with Iran as the two countries trade peace proposals. Meanwhile, the average cost of gas in the US rose to $4.45 a gallon.

The announcement comes hours after a merchant ship reported being attacked by multiple "small" boats near the Strait of Hormuz.

The strait is closed until the U.S. blockade is lifted, Iran's Revolutionary Guard navy said, warning that "no vessel should make any movement from its anchorage in the Persian Gulf and the Sea of Oman, and approaching the Strait of Hormuz will be considered as cooperation with the enemy" and be targeted.

As President Trump again voiced optimism that Iran will "make a deal" to end the war, Tehran declared itself the regulator of Strait of Hormuz shipping.

Iran's military spokesman has said that Tehran's control over the Strait of Hormuz could generate "significant" economic revenue and strengthen the country's international position.

Iran has offered to end its chokehold on the Strait of Hormuz in exchange for the U.S. lifting its blockade on the country and an end to the war.

Former Ambassador-at-Large Nathan Sales and former naval aviator Gregory Glaros discuss CENTCOM’s announcement that the U.S. blockade in the Strait of Hormuz is being ‘fully enforced’ on ‘The Sunday Briefing.