The U.N. refugee agency said Wednesday more than 4 million refugees have now fled Ukraine
More than 2.3 million have arrived in Poland, but many have traveled onward to other countries or back into Ukraine
More than 608,000 have entered Romania, over 387,000 have gone to Moldova, and about 364,000 have entered Hungary
From the onset of the war, UNHCR had projected that about 4 million people might flee Ukraine
UNHCR teams and their partners have been working to deliver protection, emergency shelter, cash assistance, core relief items and other critical services for those who have fled
Refugees from Ukraine are now 4 million, five weeks after the start of the Russian attack,” U.N. High Commissioner for Refugees Filippo Grandi tweeted as he crossed the border into Ukraine
An estimated 6.5 million people have also been displaced from their homes within the country.