<p>After the US allowed Ukraine to use longer-range US-made missiles on Russian targets, Russia's president updates nuclear-use policy to include more scenarios.</p>
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Putin rattles nuclear saber over US role in Ukraine

After the US allowed Ukraine to use longer-range US-made missiles on Russian targets, Russia's president updates nuclear-use policy to include more scenarios.

2:51 • Source: CNN
World News 11 videos
<p>After the US allowed Ukraine to use longer-range US-made missiles on Russian targets, Russia's president updates nuclear-use policy to include more scenarios.</p>
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Putin rattles nuclear saber over US role in Ukraine
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