INTERVIEW: Satellite evidence reveals 'Rwanda-level' massacres in Sudan

A WARNING THAT THIS STORY CONTAINS GRAPHIC ELEMENTS THAT MAY DISTRESS SOME PEOPLE. There are fears for tens of thousands of civilians trapped in the western Sudanese city of Al Fasher, after the paramilitary Rapid Support Forces overran the military's last stronghold in the Darfur region. Aid groups and observers are now documenting cases of mass killings and other atrocities. SBS spoke with Nathaniel Raymond of the Yale Humanitarian Research Lab about the gravity of the crisis.