Deepa Shivaram

He's also been unclear on the use of U.S.

troops to reopen the Strait of Hormuz, which is critical for oil transport.

And even the timeline on when the war will end is unclear —

The president has said the U.S.

is two weeks ahead of schedule on operations that were expected to last six weeks.

But now he's expected to say the war will last another two to three weeks.

Deepa Shivaram, NPR News, the White House.

On social media, Trump said Iran's new leader asked the U.S.

for a ceasefire.

The president said he would consider it if the Strait of Hormuz, a critical route for oil, was opened.

Until then, Trump said the U.S.

would continue its attacks on Iran.

But Iran's foreign ministry called Trump's comments saying that Iran asked for a ceasefire, quote, false and baseless.

Trump has said the war, which has gone on for a month, should end in the next two to three weeks.

Deepa Shivaram, NPR News, the White House.

Trump posted on social media that a deal with Iran will probably be reached.

But if it doesn't, he says the U.S.

will resume attacks on Iran, specifically on their electrical plants, oil wells and Karg Island, Trump says.

The island holds a large majority of Iran's oil exports.

He also threatened Iran's desalination plants.