YouTube flagged livestreams of the Notre Dame Cathedral fire as misinformation on Monday afternoon.

SALT LAKE CITY — YouTube flagged video livestreams of the Notre Dame Cathedral fire as misinformation on Monday afternoon, according to CNN.

Officials said Monday that the Notre Dame Cathedral’s renovation project led to the fire, according to The Associated Press.

Several news organizations began reporting on the fire through YouTube livestreams and videos. Several of the videos included a gray panel titled “September 11 attacks” right beneath. The panel included a link to an Encyclopedia Britannica article about those attacks, The Verge reported.

You can see an example of the panel below:

The panel appeared beneath livestreams for CBS News, NBC News and France 24, according to The Verge. However, ABC News, Fox News and others did not include it.

A spokesperson for YouTube told multiple news organizations that the panels are activated by an algorithm.

  • "These panels are triggered algorithmically and our systems sometimes make the wrong call," the spokesperson said in a statement, according to BuzzFeed News. "We are disabling these panels for livestreams related to the fire."

YouTube identified the mistake after it found the Notre Dame fire as a breaking news event, according to The Verge.

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Flashback: The panel is a new tool YouTube will roll out to discourage people from watching and consuming misinformation on the social media platform, according to BuzzFeed News.

  • YouTube announced the new feature back in July, according to CNN. The company said in a blog post that the third-party checks would appear "alongside videos on a small number of well-established historical and scientific topics that have often been subject to misinformation, like the moon landing and the Oklahoma City Bombing."