North Korea has warned the US government of 'grave consequences' if they refuse to take part in a joint probe into the recent Sony cyber attack.
A warning was also issued to the US to stop making accusations suggesting North Korea was involved in the attack, Korea's central news agency reports.
ITV News Correspondent Amy Welch reports:
North Korea have proposed conducting a joint investigation with the US into the cyber attack on Sony's computer systems.
The Korean Central News Agency reports that the nation's government can prove it has nothing to do with the hacking attack.
Hollywood actor George Clooney has said the entertainment industry should push for immediate release of The Interview online.
Not because everybody has to see the movie, but because I'm not going to be told we can't see the movie.
That's the most important part.
Here, we’re talking about an actual country deciding what content we’re going to have. This affects not just movies, this affects every part of business that we have.
That’s the truth. What happens if a newsroom decides to go with a story, and a country or an individual or corporation decides they don’t like it?
Forget the hacking part of it. You have someone threaten to blow up buildings, and all of a sudden everybody has to bow down.
Clooney told the trade site Deadline that Sony should "do whatever you can to get this movie out".
US President Barack Obama has poured scorn on North Korea as the FBI confirmed the dictatorship had hacked Sony pictures after it produced a satire on an assassination attempt on the life of Kim Jong-un.
Mr Obama said the hacking was 'dangerous folly' which threatened America's commercial interests and worse.
ITV News' Washington Correspondent Robert Moore reports.
Sony Pictures Entertainment said it immediately began looking for alternative platforms to release The Interview after it shelved the planned Christmas Day opening when cinema chains bailed on the comedy film.
"It is still our hope that anyone who wants to see this movie will get the opportunity to do so," Sony said in a statement after President Barack Obama criticized the studio for pulling the comedy at the center of a cyber attack blamed on North Korea.
The head of Sony Pictures has rejected US President Barack Obama's claim the company "made a mistake" by pulling the release of The Interview in the face of terrorist threats.
Speaking to CNN, Michael Lynton said Sony did not "give in" to hackers and said Mr Obama, along with the press and public, were "mistaken" over their reading of what prompted them to cancel the film's screenings.
Mr Lynton said Sony "had no alternative" after experiencing "the worst cyber attack in American history".
US President Barack Obama has ridiculed North Korea for mounting an "all-out assault on a movie studio because of a satirical movie starring Seth Rogen and James Franco".
An FBI investigation has concluded Pyongyang was behind the cyber attack last month on Sony Pictures.
Events company Secret Cinema is planning to screen a film in protest at what they have called the 'censorship' of The Interview.Read the full story ›
US President Barack Obama has said Sony Pictures "made a mistake" in cancelling the release of movie The Interview after threats from hackers who breached the film company's security system.
"I wish they had spoken to me first," Mr Obama said while taking questions at the White House.
"I would have told them: 'Do not get into a pattern in which you are intimidated by these kinds of criminal attacks.'"
Mr Obama said the US would make a "proportionate response" to North Korea "when we choose" after the FBI blamed Pyongyang for the cyber attack on Sony's computer systems.
He confirmed the US had no indication North Korea worked with any other nation in conducting the cyber attack.
A North Korean UN diplomat has apparently denied the FBI's claim that Pyongyang was behind the cyber attack on Sony Pictures.
"DPRK (North Korea) is not part of this," the diplomat told Reuters on condition of anonymity.