World ‘Catastrophic consequences for Russia’ if Putin uses nukes, top US official says: Ukraine updates September 25, 2022September 26, 2022 John Bacon and Jorge L. Ortiz, USA TODAY Comments Off on ‘Catastrophic consequences for Russia’ if Putin uses nukes, top US official says: Ukraine updates Zelenskyy said Putin plans on annexing Ukraine territories so he can justify his invasion by claiming he is actually defending Russian territory.