A leak of documents and emails allegedly from French presidential candidate Emmanuel Macron and individuals associated with or working for his campaign hit the internet Friday afternoon.

The Macron campaign confirmed that they had been hacked and said the leak contains real documents. The statement went on to say that fake ones are being spread on social media in an effort to “sow doubt and disinformation.”

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WikiLeaks posted a link to a website containing downloads for the leak and wrote, “We are examining.” The Twitter account for WikiLeaks later wrote that the leak “contains many tens of thousands emails, photos, attachments up to April 24, 2017.”

“A significant leak. It is not economically feasible to fabricate the whole. We are now checking parts,” WikiLeaks added.

The CIA has alleged WikiLeaks is a “hostile intelligence service.”

The leak comes before the Sunday presidential election pitting Macron against nationalist candidate Marine Le Pen.