President Donald Trump said the US Navy will start preventing ships from passing through the Strait of Hormuz, after US-Iran peace talks ended without agreement.

US President Donald Trump on Tuesday said that his Chinese counterpart Xi Jinping has not challenged the United States’ naval blockade around Iran in the Strait of Hormuz, expressing confidence in his personal relationship with the Chinese leader ahead of a planned meeting in Beijing later this month.

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

China stands to be impacted first, as the main buyer of Iran’s crude oil. But if the blockade drags on, its knock-on effects could impact the whole world.

Trump provided few details about the plan, which he said would ‌start on Monday to aid ships and their crews that have been "locked up" in the vital waterway and are running low on food and other supp

President Trump last week announced an operation to guide ships through the Strait of Hormuz amid the Iranian blockade, and then two days later, he announced it would be paused. Energy Secretary Chris Wright told "Face the Nation with Margaret Brennan" that the U.

Iran-US war latest: Tehran vows to tighten grip on Strait of Hormuz as Trump mocks Iranian drone threat - Trump says Washington is waiting for Tehran to respond to a proposal on ending the war

Iranian foreign ministry spokesman Esmaeil Baghaei said Iran is still looking over a proposal from the U.S. regarding an end to the war, adding that Tehran will not respond to “deadlines or ultimatums" and that those "mean nothing.