Brent crude futures fell 54 cents to US$78.31 a barrel and WTI fell 46 cents to US$76.14 a barrel on June 19, according to CNA. Three Saudi-flagged vessels carrying six million barrels transited the Strait of Hormuz hours after President Trump signed an interim agreement lifting sanctions on Iranian oil. The front-month July contract expires Monday, with the August contract at US$75.06.