Trump declined to specify what could trigger new military action against the Islamic republic.

Trump also said that he could not imagine Iran's proposals would be acceptable and that Tehran had not paid a big enough price for what it had done.

May 3 (UPI) -- The United States will try to "free" cargo ships that have been trapped in the Strait of Hormuz since the start of the U.S.-Israeli war on Iran began on Feb. 28, President Donald Trump wrote in social media post on Sunday.

He added that he had been told about the concept of a deal with Iran but was waiting for the exact wording. Read more at straitstimes.com. Read more at straitstimes.com.

President Donald Trump says the new maritime operation, which he dubbed "Project Freedom", is a "humanitarian" gesture for crews aboard the many ships swept up in the blockade.

Regime's latest proposal would end the fighting in Iran and Lebanon, see Strait of Hormuz open within a month as US lifts blockade; defers nuclear issue but said to float 15-year freeze on enrichment

Trump's announcement comes as a cargo ship near the Strait of Hormuz was attacked Sunday morning.

On the 65th day of the US–Israel war on Iran, Sunday, May 3, Tehran submitted a 14-point proposal to Washington aimed at ending the conflict.

US President Donald Trump earlier said that he was not satisfied with the Iranian proposal.

May 2 (UPI) -- Iran on Saturday submitted a new proposal to end the war with the U.S. and Israel, which President Donald Trump said he plans to review.