US student freed from North Korea 'has severe injury to all brain regions'

An American college student who was released by North Korea in a coma has suffered a "severe neurological injury", a spokeswoman for the Ohio hospital treating him said.

Update 9pm: Doctors who are treating an American college student released by North Korea in a coma say he has severe injury to all regions of his brain. They described 22-year-old Otto Warmbier as in a state of "unresponsiveness wakefulness".

They say he does not show any consistent response to stimulation, shows no sign of understanding language, responding to commands or awareness of his environment.