Video has emerged of a US journalist complaining that the British Royal family pressured her editors to "quash" a story about paedophile financier Jeffrey Epstein in 2015.

Key points: In the video, Amy Robach said the network was threatened "a million different ways" by the Royal Family

In the video, Amy Robach said the network was threatened "a million different ways" by the Royal Family Virginia Giuffre has accused Jeffrey Epstein of forcing her to have sex with prominent men, including Prince Andrew

Virginia Giuffre has accused Jeffrey Epstein of forcing her to have sex with prominent men, including Prince Andrew ABC News and Robach said the interview did not air because it did not meet editorial standards

The video shows ABC America news anchor Amy Robach talking about how she had an interview with one of Epstein's accusers, Virginia Giuffre, in 2015.

She made the comments in August, weeks after Epstein took his own life in his prison cell.

Robach said Ms Giuffre had "told me everything" and she had pictures and interviews with other women backing it up.

But she said the network dropped the story amid fears it would jeopardise its chances of getting interviews with Prince William and Catherine, Duchess of Cambridge.

"The Palace found out that we had her whole allegations and threatened us in a million different ways," Robach said.

"We were so afraid we wouldn't be able to interview Kate and Will that we … quashed the story."

She added: "I tried for three years to get it on to no avail and it's all coming out it's like these new revelations and I freaking had all of it.

"I'm so pissed right now. "Every day I get more and more pissed cause I'm just like, 'Oh my God'. What we had was unreal."

The footage of Robach was released on the website of Project Veritas, a right-wing group known for its efforts to embarrass mainstream media outlets.

Ms Giuffre, who now lives in Australia, accused Epstein of forcing her to have sex with prominent men, including Prince Andrew, while she was still a teenager. Both men denied the accusations.

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TV network says story lacked corroborating evidence

Robach's comments drew parallels with Ronan Farrow's accusations that his then employer, NBC News, discouraged his reporting on Hollywood mogul Harvey Weinstein's misconduct.

Farrow subsequently took his Pulitzer Prize-winning story to the New Yorker magazine.

ABC sought to minimize the comparison, saying it had pursued and aired other stories about Epstein.

It said the interview with Ms Giuffre did not meet its standards because it lacked sufficient corroborating evidence.

Paedophile Jeffrey Epstein was found dead in his prison cell awaiting trial for sex trafficking charges. ( AP: New York State Sex Offender Registry )

Robach, who co-anchors ABC's 20/20 news show, said the leaked footage caught her "in a private moment of frustration".

She said she had been referring in her comments to what Ms Giuffre had said in the interview, not what ABC News had verified through its own reporting.

Corroborating evidence of the type the network sought could include interviews with people familiar with Ms Giuffre's allegations or records that would verify she was at the places the alleged sex acts took place.

"The interview itself, while I was disappointed it didn't air, didn't meet our standards," Robach said.

"In the years since no-one has ever told me or the team to stop reporting on Jeffrey Epstein, and we have continued to aggressively pursue this important story."

ABC said it planned to air a two-hour documentary and six-part podcast on the Epstein case next year.

Virginia Giuffre accused Jeffrey Epstein of forcing her to have sex with prominent men while she was a teenager. ( AP: Bebeto Matthews )

ABC/ AP