U.S. President Donald Trump said Sunday the U.S. Navy would swiftly begin a blockade of ships entering or leaving the strategic Strait of Hormuz, after U.S.-Iran ceasefire talks in Pakistan ended without an agreement. U.S. Central Command announced the blockade would involve all Iranian ports, beginning on Monday at 10 a.m. EDT, or 5:30 p.m. in Iran, to be “enforced impartially against vessels of ...