The civil war in Sudan has been raging for nearly two years and has displaced an estimated 12 million people. Now, there are reports that the breakaway military faction, the Rapid Support Forces (RSF), has stormed the Zamzam Refugee Camp in North Darfur, Sudan’s largest displacement camp. Marco Werman speaks with Nathaniel Raymond, executive director of the Humanitarian Research Lab at the Yale School of Public Health, who has been monitoring the situation on the ground.