Two European parliamentarians have demanded an investigation into allegations made by a whistle-blower that Facebook  put profits ahead of the public interest.

Frances Haugen, who worked as a product manager on Facebook's civic misinformation team, leaked internal documents to newspapers and state attorneys general around the US.

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In a statement, members of the European Parliament said they wanted more investigation into the disclosures.

"The Facebook Files – and the revelations that the whistle-blower has presented to us – underscores just how important it is that we do not let the large tech companies regulate themselves," Danish lawmaker Christel Schaldemose stated

Schaldemose is the chief rapporteur for the European Commission's Digital Services Act, which mandates digital companies to do more to combat illicit content and was announced in December of last year.

"The documents finally put all the facts on the table to allow us to adopt a stronger Digital Services Act," said Alexandra Geese, a German lawmaker in the European parliament. "We need to regulate the whole system and the business model that favours disinformation and violence over factual content – and enables its rapid dissemination," she stated.

Geese and Schaldemose both stated that they are in contact with Haugen.

"Every day, we make difficult decisions on where to draw lines between free expression and harmful speech, privacy, security, and other issues." a Facebook spokesperson stated.

"But we should not be making these decisions on our own … we've been advocating for updated regulations where democratic governments set industry standards to which we can all adhere."