Ukrainian President Volodymyr Zelenskyy has told his western allies not to panic about a possible Russian invasion as the U.N. Security Council is set to hold a meeting on the growing crisis. NBC News’ Erin McLaughlin and Carol Lee have the details.   » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC video: http://bit.ly/MoreNBCNews NBC News Digital is a collection …

President Joe Biden held an event at the White House to mark the announcement. Original source (ABC/Youtube)

source