From IntelSlavaZ:

🇷🇺⚡️1. Reliable information about the launch of air and space attack weapons towards the Russian Federation will result in a nuclear response.

1. The Russian Federation reserves the right to use nuclear weapons in the event of aggression against Belarus

2. A critical threat to the sovereignty of the Russian Federation and conventional weapons will be the basis for a nuclear response

3. Russia reserves the right to use nuclear weapons in the event of aggression, including if the enemy, using conventional weapons, creates a critical threat

(c) Putin

Accordingly, any launch of long-range missiles at the Russian Federation or an attack on Belarus will lead to a nuclear war.