Ukraine has fired US-supplied long-range missiles into Russia for the first time since Joe Biden lifted restrictions on their ...

Better known as Russia's nuclear doctrine, the revamped version that was signed by President Vladimir Putin spells out the ...

A decree signed by the Russian leader, though long-planned, came days after President Biden authorized the use of ...

A major decision by the United States to allow Ukraine to fire long-range missiles deeper inside Russian territory has ...

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Russian President Vladimir Putin has revised his country's nuclear doctrine days after President Joe Biden's latest actions.

The approval of the document demonstrates Putin’s readiness to tap his nuclear arsenal to force the West to back down.

The announcement comes shortly after Washington lifted restrictions on Ukraine using U.S.-made longer-range missiles.

There is confirmation that Joe Biden has permitted Ukraine to use long-range American weapons to target locations deep within ...

Russia said Ukraine has fired U.S.-made longer-range weapons inside its territory, days after the U.S. said it would allow Kyiv to use those systems to conduct deeper strikes, a l ...

The new doctrine allows for a potential nuclear response by Moscow even to a conventional attack on Russia by any nation that ...

Russia's defense ministry says Ukraine launched its first attack using U.S.-made ATACMS missiles days after Biden gave Kyiv ...