The Tanaiste has said Russian President Vladimir Putin is "putting himself into a space" where he could be viewed as "the Hitler of the 21st century".
Leo Varadkar added that it has been known for "a long time" that Putin is a "bad man" but said no one thought he would end up being mentioned in the same breath as the Nazi ruler.
He was speaking about the potential impact Russia's invasion will have on Ireland as the EU prepares to announce a third package of sanctions against the country.