By Jan Strupczewski BRUSSELS (Reuters) – Lithuanian Finance Minister Gintare Skaiste urged the European Union on Monday to set up a fund that would help countries welcoming thousands of Ukrainian refugees manage the financial burden, just like the EU did for Turkey in 2016. The United Nations estimates that some 6.5 million Ukrainians have left their country since the Russian invasion started on Feb 24th. Most of them, some 3.5 million, have entered Poland, and almost a million went to Romania. “In Lithuania, Ukrainians are now about 2% of the population,” Skaiste told Reuters in an interview….