[1/7] Russia's President Vladimir Putin takes part in an event marking Gazprom's 30th anniversary, via video link at a residence outside Moscow, Russia February 17, 2023.
Feb 21 (Reuters) - Russian President Vladimir Putin on Tuesday delivered a nuclear warning to the West over Ukraine, suspending a bilateral nuclear arms control treaty, announcing new strategic systems were on combat duty and warning that Moscow could resume nuclear tests.
DIPLOMACY* "One year ago, the world was bracing for the fall of Kyiv," Biden said at Warsaw's Royal Castle.
"I can report: Kyiv stands strong, Kyiv stands proud, it stands tall and, most important, it stands free."
* A year on from Russia's invasion, Ukraine and its government have not just survived.