The Washington Post report came one day after President Trump announced that he plans to withdraw from the Open Skies treaty with Russia
Such a test would be a significant departure from US defence policy and dramatically up the ante for other nuclear-armed nations.
It came after some US officials reportedly claimed that Russia and China were conducting their own low-yield tests. Moscow and Beijing have denied the claims, and the US has not offered evidence for them. He added that it would also likely "disrupt" negotiations with North Korean leader Kim Jong-un, "who may no longer feel compelled to honour his moratorium on nuclear testing".The Washington Post report came one day after Mr Trump announced that he plans to withdraw from the Open Skies treaty with Russia, which was designed to improve military transparency and confidence between the superpowers.
It is not the first time Mr Trump's defence policy has raised concerns the administration is elevating the risk of nuclear war.
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Trump to withdraw US from Open Skies Treaty with RussiaUS President Donald Trump has said he plans to withdraw the United States from the Open Skies Treaty with Russia, which was designed to improve military transparency and confidence between the superpowers
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