US intelligence chiefs believe Putin may use nuclear arms

Putin may use nuclear weapons
US intelligence chiefs warned the Senate on Tuesday that Vladimir Putin may use nuclear weapons as a last resort if he feels that Russia will be defeated in Ukraine.
Putin may see defeat as an “existential threat”
Top US intelligence chief Avril Haines told the Senate that Putin might see defeat in Ukraine as “an existential threat to his regime,” as reported by the BBC.
Putin may escalate his actions
US intelligence chiefs believe Putin’s actions in the country could escalate, and if Putin feels the war is not going in his favor and his position in Moscow is threatened, he may decide to use a nuclear warhead.
Grueling war of attrition
At a Senate briefing, US intelligence chiefs predicted that the war in Ukraine will be “a long, grueling war of attrition.”