The USS Rafael Peralta guided-missile destroyer implements a maritime blockade against the Iran-flagged crude oil tanker vessel Stream while the latter was attempting to sail toward an Iranian port on April 26. | U.S. NAVY / VIA AFP-JIJI

Tehran/Washington – A U.S. fighter jet on Friday disabled two Iranian-flagged tankers, prompting retaliatory attacks and rattling a shaky truce as President Donald Trump said he was awaiting Tehran's reply to his latest proposal to end the Middle East war.

Iranian officials accused the United States of violating the ceasefire with the tanker strikes and hampering diplomatic efforts to end the conflict.

A parallel ceasefire in Lebanon was also under strain.…