Putin's threat : Russia ready for nuclear war to US moves in Ukraine | Russia Ukraine war.

Amid escalating tensions, President Vladimir Putin has issued a grave warning to the West. Putin says Russia is prepared for a nuclear conflict, if the US deploys troops to Ukraine. In an interview ahead of elections in Russia, Putin said, 'Weapons exist in order to use them,'. The Russian President has delivered such threats before. Palki Sharma tells you - why this warning could raise concerns in the West.