The last-minute scuttling of the trip to Pakistan was the latest sign of how far apart the two sides are on reaching a deal to end the Iran war.

Iran’s foreign minister has already arrived in the country, state media reported. He was believed to be carrying a written response to a U.S. proposal to end the war.

There are several ways the United States could attempt to reopen the waterway, all of which carry substantial risks.

Although President Trump said seizing tankers would be a financial boon, the cost of maintaining just one aging ship has already reached $47 million.

President Trump said protesters risk getting shot “right through the head,” a change in tone from his earlier comments that Iranians must seize the chance to take over their government.