Trump Withdraws U.S. From Iran Accord

President announces pullout from deal aimed at curbing Tehran’s nuclear activity, calling it ‘horrible’

President Trump announced Tuesday that the U.S. will withdraw from the Iran nuclear deal and reinstate sanctions on Tehran. He called the deal ‘defective’ and said it didn't do enough to stop the country from developing nuclear weapons. Photo: Getty Images

WASHINGTON—The U.S. is exiting the Iranian nuclear accord, President Donald Trump said Tuesday, dismantling his predecessor’s most prominent foreign-policy initiative and bucking the appeals of some of America’s closest allies.

Speaking in the Diplomatic Room of the White House, Mr. Trump delivered harsh words about the 2015 deal to curb and monitor Iran’s nuclear activity, calling it “horrible,” “one-sided” and “disastrous.” The president said he planned to institute sanctions against Iran, and said the U.S. would sanction...