Vance says 60-day period in Iran deal begins Thursday

WASHINGTON, June 18 (Reuters) - U.S. Vice President JD Vance said the 60-day window laid out in a memorandum of understanding approved by President Donald Trump and Iranian leaders begins on Thursday."I would say the 60-day period officially started today," Vance told reporters at a White House briefing.Asked what happens after the 60-day period in terms of governance of the Strait of Hormuz, Vance repeated the U.S. view that the major supply route for oil and gas shipments should be free of tolls. Iran effectively closed the waterway during the war.