More than 5.3 million Ukrainians have fled their country since Russia invaded two months ago, the United Nations said Wednesday, with more than 52,000 joining their ranks in the past 24 hours. In total, 5,317,219 people have fled Ukraine as refugees since February 24, according to the latest data from the UN refugee agency, UNHCR. That marks an increase of 52,452 over the figure given on Tuesday. While the outflow has slowed significantly since March, UNHCR has projected that three million more Ukrainians could become refugees by the end of the year. The exodus has been described as Europe’s f…