Putin spokesman refuses to rule out use of nuclear weapons if Russia faced an ‘existential threat’ – CNN March 22, 2022 Putin spokesman refuses to rule out use of nuclear weapons if Russia faced an ‘existential threat’ CNNView Full Coverage on Google News Source: Putin spokesman refuses to rule out use of nuclear weapons if Russia faced an ‘existential threat’ – CNN Updated: March 22, 2022 at 8:49 pm Tags: Russia ◀ Ukrainian president urges Italy to seize mystery yacht Ukrainian kids with cancer evacuated from Poland to U.S. hospital ▶