Medvedev listed four cases in which Russia could use nuclear weapons
Russia's Deputy Security Council Secretary Dmitry Medvedev has said Russia could use nuclear weapons in four cases, according to the RBC news agency. (https://www.rbc.ru/rbcfreenews/623eaa3b9a79472660ebc278 ).
The first case was when Russia is attacked using nuclear weapons.
The second case is any other use of nuclear weapons against Russia and its allies.