The UN refugee agency says one million people have fled Ukraine since Russia's invasion less than a week ago, an exodus without precedent in this century for its speed. The tally from UNHCR amounts to more than 2 percent of Ukraine's population on the move in under a week. The World Bank counted the population at 44 million at the end of 2020. The UN agency has predicted that up to 4 million people could eventually leave Ukraine but cautioned that even that projection could be revised upward. For more on this story visit: https://www.sbs.com.au/news/article/a... Subscribe for more live media conferences from SBS News or visit sbs.com.au/news for all the latest updates on the coronavirus outbreak. You can also follow us on Facebook, Instagram, Apple News and Twitter.