The Latest: APNewsBreak: Otto Warmbier's death investigated

FILE - In this Feb. 29, 2016, file photo, American student Otto Warmbier speaks as he is presented to reporters in Pyongyang, North Kor

FILE - In this March 16, 2016, file photo, American student Otto Warmbier, center, is escorted at the Supreme Court in Pyongyang, North

FILE- In this June 15, 2017, file photo, Fred Warmbier, father of Otto Warmbier, a University of Virginia undergraduate student who was

Fred Warmbier, father of Otto Warmbier, a University of Virginia undergraduate student who was imprisoned in North Korea in March 2016,

FILE- In this June 15, 2017, file photo, Fred Warmbier, father of Otto Warmbier, a University of Virginia undergraduate student who was

FILE- In this June 13, 2017, file photo, a crying woman exits a transport plane carrying Otto Warmbier, a 22-year-old University of Vir

CINCINNATI (AP) — The Latest on the death of U.S. college student Otto Warmbier after months of detention in North Korea (all times local):

8:30 a.m.

The coroner's office in Cincinnati is investigating the death of the American college student who died less than week after his return from North Korea, where he was detained near a year and a half.

A spokesman for the Hamilton County coroner says Dr. Lakshmi Sammaraco's (LAK'-schmee sam-MAHR'-rahk-oh) office has accepted the case of Otto Warmbier, who died Monday in a Cincinnati hospital. Justin Weber told The Associated Press on Tuesday morning that a press conference is expected later to provide details.

Wambier's parents did not cite a specific cause of death, but cited awful, torturous mistreatment" by North Korea. Doctors had described Warmbier's condition as a state of "unresponsive wakefulness" and said he suffered a "severe neurological injury" of unknown cause.

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12:25 a.m.

The family of an American college student who died days after being released from North Korea in a coma says the 22-year-old "has completed his journey home."

Relatives say Otto Warmbier died Monday. They did not cite a specific cause of death.

Doctors had described Warmbier's condition as a state of "unresponsive wakefulness" and said he suffered a "severe neurological injury" of unknown cause. He arrived in Ohio on June 13 after being held for more than 17 months.

The University of Virginia student was accused of trying to steal a propaganda banner while visiting with a tour group.

He was sentenced in March 2016 to 15 years in prison with hard labor. His family says it was told he had been in a coma since soon after his sentencing.