Fentanyl combined with a sedative are believed to have caused last week’s mass overdose in Baltimore’s Penn North neighborhood, federal scientists said.

Two survivors are on the long road to recovery at a West Baltimore behavioral health facility, a week after a mass overdose incident rocked the intersection of Pennsylvania and North Avenues.

"Some people they be fighting the process. For one, they being traumatized while they out here on Earth," he said. “We have struggle but we keep going. We keep going because we Penn North Strong.”