Russian authorities have imprisoned thousands of Ukrainian civilians. The noncombatants are being held both deep inside Russia and in occupied Ukrainian territories not far from the fighting on the front lines, where many are forced to dig trenches and graves. We hear from a reporter who uncovered the story. Also, climate-fueled weather systems are creating unprecedented challenges for humanitarian organizations. We speak with a first responder. And Sudan's capital, Khartoum is a war zone. A longtime resident tells us how he survived a month of gun battles and escaped.