Russian President Vladimir Putin said at the meeting of the Valdai Discussion Club that Russia will never initiate military actions, including with the use of nuclear weapons.
At the same time, Putin noted, Russia would respond to a nuclear strike.
"The aggressor must know that retaliation will be inevitable. We, victims of the aggression, we will go to heaven as martyrs. They will just die, because they won't even have time to repent," the president said.
Putin also said that Russia was not afraid of anything.
"We are not afraid of anything at all. [When your] country with such a territory, with people ready to give their lives for the Fatherland - nobody can do anything about it," he said.
Earlier, during his speech, Putin said that the tragedy in the city of Kerch came as a consequence of globalisation.
The discovery of the submarine has unveiled a few "inconsistencies." For example, how can one explain the fact that the sub was found where it needed to be searched for from the start?
When on a state visit to Singapore, Russian President Vladimir Putin promised to revisit the discussion of the 1956 Declaration between the USSR and Japan regarding the issue of the peace treaty with Japan
The TurkStream, which runs along the bottom of the Black Sea from Russia's Anapa to Turkey, will consist of two lines, each with a capacity of 15.75 billion cubic meters of gas a year