More than 2,000 Ukrainians have made their way to the U.S. border from Mexico over the past 10 days, joining migrants from around the world in what officials expect could become a major border surge as pandemic restrictions are lifted and the continuing fallout from Russia's invasion of Ukraine reaches America's shores.
More than 2,000 have reached the U.S. border with Mexico, where an expected spike in migration from other countries will raise tough questions: Who gets priority?