New Delhi, May 11 -- Iran sent its response to the latest U.S. proposal to end the Iran war via Pakistani mediators on Sunday, but U.S. President Donald Trump quickly rejected it in a social media post as "TOTALLY UNACCEPTABLE!" - the latest setback to efforts to resolve the standoff in the Persian Gulf that has throttled shipping and sent energy prices soaring.

Iranian state television reported that Tehran rejected the U.S. proposal as amounting to surrender, insisting instead on "war reparations by the U.S., full Iranian sovereignty over the Strait of Hormuz, an end to sanctions, and the release of seized Iranian assets."

Washington's latest proposal addressed a deal to end the war, reopen the strait and roll back Iran's nuclear progr...