NATO Secretary General Anders Fogh Rasmussen will meet Ukrainian Prime Minister Arsenii Yatseniuk at NATO Headquarters Thursday afternoon.
Yatsenuik will be in Brussels on Thursday to meet EU leaders who will be holding an urgent summit on the situation in Ukraine.
The NATO-Russia Council will meet on the level of ambassadors this evening.
Ramussen is also expected to meet the President of the European Council, Herman van Rompuy, later today to discuss developments in Ukraine