President Joe Biden and Russian President Vladimir Putin met over a video call amid escalating tensions between Russia and Ukraine. CNN's Erin Burnett goes through the White House's warning for Russia as Biden weighs new sanctions. | CNN

Russia's military machine is now more powerful than at any time since the end of the Cold War. http://cnn.it/1NpCXLc | CNN

CNN’s journalists continue to bring you the story of Russia’s invasion of #Ukraine, live on the front lines, with coverage from around the world. | CNN

Russia plans to send long-range bombers to the Gulf of Mexico in what appears to be Moscow's latest provocative maneuver in its increasingly frosty relations with the West. http://cnn.it/1EBHkbs | CNN