Hassan Rouhani

Iranian president threatens to revitalize nuclear program

Iran's president warned Tuesday that it could ramp up its nuclear program and quickly achieve a more advanced level if the U.S. continues "threats and sanctions" against his country, which signed a landmark nuclear accord with world powers in 2015.

Hassan Rouhani's remarks to lawmakers were his most direct warning that the deal could fall apart and risked ratcheting up tensions with the United States. President Donald Trump has repeatedly said he wants to scuttle the accord, which limited Iran's ability to produce a nuclear weapon while ending most sanctions against it.

Nikki Haley, the U.S. ambassador to the United Nations, said late Tuesday: "The nuclear...

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