Russian President Vladimir Putin has emphasized that Moscow will take all necessary steps to ensure Belarus' security, as the country’s defense is integral to Russia’s updated nuclear doctrine.

Serbian President Aleksandar Vucic has warned that Russian President Vladimir Putin would not hesitate to use nuclear weapons if Russia's security and military are threatened and if there are no other options available.

Russian President Vladimir Putin has signed a decree approving the "Foundations of State Policy in the Field of Nuclear Deterrence," which outlines the country’s updated nuclear doctrine.

The proposed amendments to Russia’s nuclear doctrine have been outlined, but are not yet legally formalized, Kremlin Spokesman Dmitry Peskov has announced.

Belarusian President Aleksandr Lukashenko commented on Russia’s revised nuclear doctrine, viewing it as a strengthening of the alliance between Moscow and Minsk following the deployment of Russian nuclear weapons in Belarus.

The Kremlin stated on Thursday that the changes to Russia's nuclear weapons doctrine, as outlined by President Vladimir Putin, should serve as a signal to Western countries about the repercussions of their involvement in attacks on Russia.

Russian Foreign Minister Sergey Lavrov has said Moscow is currently specifying its nuclear doctrine.

Tehran may reconsider its nuclear doctrine in the event of an existential threat, Kamal Kharrazi, foreign affairs adviser to Iranian Supreme Leader Ayatollah Ali Khamenei, said in an interview with the Financial Times, News.Az reports citing TASS.