US President Joe Biden vowed on Wednesday diplomacy on the "serious threat" of the nuclear programs of both Iran and North Korea.
"We'll be working closely with our allies to address the threats posed by both of these countries through diplomacy and stern deterrence,'" Biden said in a speech.
The United States is holding indirect talks with Iran in Vienna in a bid to re-enter a 2015 denuclearization accord trashed by former US President Donald Trump.
The Biden administration is separately reviewing policy on North Korea after Trump's unusually personal diplomacy that included three meetings with leader Kim Jong Un.
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