Brent crude and West Texas Intermediate contracts climbed on President Donald Trump saying dealing with Tehran is “a waste of time”
Trump's comments came after the U.S. launched fresh strikes on Iran in retaliation for attacks on commercial vessels in the Strait of Hormuz.
Kuwait accused Iran of fresh attacks after U.S. strikes hit Iranian targets, raising fears over the Strait of Hormuz and oil prices.
Oil futures climbed late Tuesday after the Treasury Department canceled a license granted on June 21 to allow for the sale of Iranian oil.