How much more can the tensions increase before something snaps?

Russia has announced it is withdrawing from nuclear test ban treaty

Russia to Reverse Nuclear Test Ban Pact Ratification, Envoy Says

Russia’s envoy to the Comprehensive Nuclear Test Ban Treaty Organization (CTBTO) said on Friday that Moscow will revoke its ratification of the pact, a move that Washington denounced as endangering “the global norm” against nuclear test blasts.

The day before

Putin: Russia Successfully Tested The Burevestnik ICBM, Lays Out Conditions Of Nuclear Missile Launch – Putin: “The last successful test of the Burevestnik, a global-range cruise missile with a nuclear installation and a nuclear propulsion system, was carried out”.

And now Israel declares a state of war

h/t Remedial_Rebel