Russia threatens nuclear response if NATO isolates Kaliningrad.

A private document also warns of Russian strikes on alliance decision-making centres from the conflict’s outset.

Kaliningrad, a heavily militarised exclave, is sandwiched between Poland and Lithuania, with no land link to Russia.

NATO spokesperson Allison Hart says the alliance is defensive and no exercise poses a risk to Russia.

France has offered to discuss deploying its nuclear weapons in other European NATO states.

How each outlet framed it

drawn from 150+ reports worldwide

RT leans critical
quotes Russian 'entire available arsenal' nuclear commitment, sources Polish FM remarks about Kaliningrad troop levels
Reuters leans critical
documents Russian 'non-paper' specifics: threatens 'strikes against decision-making centers', defines diplomatic text mechanism
Investing.com leans critical
قناة العربية leans critical

Sources: RT, Reuters, Investing.com, قناة العربية