Ohio coroner Dr Lakshmi Sammarco says her team found no conclusive evidence of what
caused the brain damage that killed American student Otto Warmbier, 22.
Warmbier was arrested and detained in North Korea for over a year and was only repatriated on medical grounds.
He later died in Cincinnati. His father, Fred Warmbier, described the DPRK as terrorists for the treatment of his son
Link : Coroner: cause of Otto Warmbier’s fatal brain damage unclear – video report