After news broke this morning of Russia furthering its invasion of Ukraine, the White House announced that President Obama will meet with the National Security Council later this afternoon in the Situation Room:
Later in the afternoon, the President will meet with members of the National Security Council in the Situation Room. The Vice President will participate remotely via a secure line. This meeting is closed press. 4:00PM THE PRESIDENT meets with members of the National Security Council; the VICE PRESIDENT will also participate The Situation Room Closed Press
The White House did not specifically say that the Russia-Ukraine crisis is on the agenda. It's possible the meeting could be about the ongoing crisis with the terrorist army ISIS in Iraq and Syria.