Two American citizens who'd traveled to Ukraine to join the fight against Russia have reportedly been captured by pro-Russian forces. The State Department says it's "closely monitoring" the situation and has urged Americans not to travel to the country, noting the risk and danger. But still, thousands of foreign fighters have journeyed there.NPR's Ryan Lucas met some of them — a group of Americans and Brits who have formed a unit that is fighting in the east. In participating regions, you'll also hear a local news segment to help you make sense of what's going on in your community.Email us at considerthis@npr.org.