NATO warned of serious consequences if Moscow used nuclear weapons in Ukraine, while the former US general said that the Russian forces would be destroyed.

Such nuclear threat is dangerous and reckless, NATO Secretary General Jens Stoltenberg on October 2 told the US NBC.

According to Stoltenberg, any act of using nuclear weapons will change the nature of conflict in Ukraine.

Secretary General Jens Stoltenberg at a press conference at NATO headquarters, Brussels, Belgium, September 30.

The statement was made by Stoltenberg after President Putin said Russia could use all the available tools, including weapons with different levels of destruction, to protect territorial integrity.

The threat of using Russian nuclear weapons in Ukraine also encountered fierce reactions from the US.

We contacted a very high channel at a high level with Kremlin, in order to clarify that Russia's use of any nuclear weapons would suffer catastrophic consequences, Sullivan said.

Retired General David Petraeus, former CIA director, on October 2 also warned the US and its allies would destroy the army and Russian weapon in Ukraine, as well as sink the Black Sea Fleet if President Putin decided.

We will respond by leading NATO to destroy all Russian forces that we can detect and determine on the Ukrainian battlefield, as well as in Crimea and every warship in the Black Sea, Petreaus said after the exchange with

When asked whether Russia's use of nuclear weapons in Ukraine could pull the US and NATO in the war, Petreaus said it was not a situation of activation of Article 5 about the collective defense of the Union, because Ukraine was not a success.

According to him, if Russia fires nuclear weapons and causes radioactive dust to spread to NATO countries, which means an attack on members of the bloc and Article 5 can be activated.

The West believes that the nuclear threat has increased since September 30, when Putin signed a document to merge four provinces in Ukraine including Donetsk, Lugansk, Zaporizhzhia and Kherson into the territory.

The Kremlin said that the voting votes of the referendum has legal significance and also creates security effects, implies that Russia can use nuclear weapons to protect territorial integrity after.

Ukraine recently regained a strategic city of Lyrman in eastern Donetsk from Russian forces.

Russia's defeat at Lyman caused the military commander of the country to be criticized and the allies of President Putin, like leader Chechnya Ramzan Kadyrov, angry.

The number of nuclear weapons of countries around the world.

The leader of Chechnya Ramzan Kadyrov said that Russia should consider using small -scale nuclear weapons in Ukraine after a series of defeats on the battlefield.

Moscow is concerned about the possibility of using tactical nuclear weapons in Ukraine, but this is also a big risk scenario for Russia itself.