EU leaders meet in Brussels later to consider their response to the crisis in the Ukraine.
The situation is said to have worsened considerably and thousands of foreign troops and hundreds of foreign tanks are now on Ukrainian territory.
Russian President Vladimir Putin remains defiant, reminding the world that Russia is one of the most powerful nuclear nations.
Speaking from Brussels, where the Taoiseach is attending a special meeting of EU heads of State, Dara Murphy, Minister of State said the situation is serious and grave.
