Doctors say he has severe injury to all regions of his brain.
A State Department spokeswoman told reporters in Washington that Warmbier's release followed "quiet diplomacy", at US President Donald Trump's suggestion. Warmbier said the family was "extremely grateful for their efforts and concern".
Spokeswoman Heather Nauert (NOW'-ert) says the US hopes the other Americans will be able to return home soon.
Washington (dpa) - The US student released by North Korea this week has damage to all parts of his brain, doctors said Thursday.
Warmbier can open his eyes and blink but has no signs of understanding language or responding to commands, Kanter said.
Dr. Daniel Kanter, medical director of the neuroscience intensive care unit at the University of Cincinnati, said it's more likely the student's condition was caused by cardiopulmonary arrest due to inadequate blood supply to the brain for long periods of time.
"They advertise it as the safest trip ever", he said Thursday.
Warmbier is taken to North Korea's top court in Pyongyang North Korea. "I just said kind of quite nervously, 'Well, that's the last we'll see of you.' There's a great irony in those words".
He excelled in academics, graduating from Wyoming High School in 2013 as his class salutatorian and getting a scholarship to the University of Virginia.
Released on humanitarian grounds, he has been evacuated back to the United States suffering from brain damage, after spending a year in a coma. According to reports, his son is stable but has "suffered from severe neurological injury", Warmbier's father said.
Cardiac arrest in young, healthy people is rare and generally caused by either intoxication or traumatic injury, Dr. Jordan Bonomo, a specialist in neurosurgery and neurocritical care at the University of Cincinnati Medical Center, said at the news conference.
Fred Warmbier also said the family does not believe North Korea's story that "botulism and sleeping pill" caused his coma.
His father, Fred Warmbier, said the family was proud of him, calling him "a fighter".
North Korea has arrested 16 American citizens and is still holding three - Kim Dong Chul, Kim Sang-duk, and Kim Hak-song. At a press conference on Thursday, images of Otto Warmbier's brain were revealed, they showed significant loss of brain tissue in all areas of his brain.
Fred Warmbier, in an emotional news conference in OH, did not demur when asked if Obama could have done more. North Korea has released 22-year-old United States student Otto Warmbier from a 15 year sentence of hard labor, officials said June 13, 2017, as former USA basketball star Dennis Rodman arrived in Pyongyang.
North Korea intends to promote Western visits by reducing the wait time for visas, North Korean Ambassador to Spain Kim Hyok-Chol said at a Democratic People's Republic of Korea (DPRK) tourism event in Madrid, Spain, China's People's Daily reported Friday. Fred Warmbier said. "I was in shock". He was then taken by ambulance to a hospital.
Mrs Harding said: "I received a letter in the post telling me of the award". "I thought it was a wind up at first". Murray, 57, has been a successful coach and has worked hard to promote tennis among youngsters.
He also encouraged the other countries involved to mend the rift, citing reported humanitarian hardship in Qatar. Home to some 10,000 troops, it is central to the US-led fight against the Islamic State group in Iraq and Syria.
England captain Eoin Morgan: "Our batting performance was probably par or below par - so pretty average". Going into the game, England seem to hold the upper hand based on recent form and probable line-ups.
News has reported that federal investigators are examining whether the president attempted to obstruct justice. The White House confirmed Mr Mueller was among the candidates the president interviewed to replace Mr Comey.
She said her far-right National Front has won at least 6 seats in the French parliament and is still waiting for other results. The victory for LREM, which was launched by Macron less than a year ago, is considered a slap to mainstream parties.
The White House has been directing all questions related to this to Trump's personal attorney Marc Kasowitz. The Post referred to anonymous sources who had been briefed on requests made by Mueller's investigators.
The queen's official birthday is marked in June when the weather is often nicer than in April, the actual month of her birth. The protesters made their way through an automatic door at the Kensington and Chelsea Borough town hall on Friday.
To be fair to McIlroy, he's returning from injury and hasn't played as much golf as he would have liked to this year. Their departure raised the prospect of this US Open producing a seventh consecutive first-time victor at the Majors.
After the statement, the Post updated the Kushner article so that its first sourcing reference was to "U.S. officials". But then Trump's legal team denied that the president's tweet was a confirmation that is under investigation.
George "Johnny" Johnson was 22 when he took part in the 1943 air raid using experimental bouncing bombs in Germany. Most of the awards go to those who carry out community and charity work , many with young people.
Terror gunmen take hostages at luxury resort in Mali
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Iran Launches Missiles Into Syria
According to Iran, the militant groups were responsible for the twin terror attacks in Tehran about two weeks ago. The IRGC had vowed revenge for the attacks and accused Saudi Arabia of supporting ISIS in the operation.
Wild have a plan going into NHL Expansion Draft
We're unsure how this reveal will be done, but we know it will be during the annual league Awards show on NBCSN and Sportsnet. The Central Registry will accept these at the same time so that there's no amusing business around leaks or anything.
All talk, few trades before NHL's expansion roster freeze
Commissioner Gary Bettman suggested recently that the upper limit might remain at or close to last year's mark of $73 million. They might choose to expose Martin, figuring the Knights would not want to pick up his $2.5-million salary.
GOP offers 'compromise' state budget with familiar reforms
According to IHA's analysis, IL will lose $8.4 billion in economic activity every year, resulting in 60,000 lost jobs. I understood that urgency last month, when I joined my colleagues in the Senate in voting for a balanced budget.
Amid diplomatic contact, North Korea frees American student
Former NBA star Dennis Rodman happened to arrive in North Korea for his fifth trip to the rogue state the same day Warmbier left. His release brings the number of US citizens known to be in detention in the hermetic communist dictatorship down to three.
Warriors set to make their claim as NBA's best ever
The Warriors had swept their first three series and were 48 minutes away from a party they've been planning for a year. The feeling that Durant's arrival in Golden State would turn the Warriors into a super team has been spot on.
Trump acknowledges for first time he's under investigation
Rosenstein has been overseeing the Russian Federation probe since shortly after Attorney General Jeff Sessions recused himself. The first time he told Trump was in his first meeting with the president before the inauguration on January 6.