Otto Warmbier has severe brain injury and is unresponsive, doctors say

College student has not spoken since returning from North Korea in comaWarmbier’s father says son was ‘terrorized and brutalized’ during detentionAn American college student who was imprisoned in North Korea and returned to his home state of Ohio in a coma has a severe brain injury and is in a state of “unresponsive wakefulness”, according to doctors who are treating him.Otto Warmbier, 22, who arrived in the United States on Tuesday, is stable but “shows no si