Democrats on the House Intelligence Committee are gearing up to publicly release a trove of Facebook ads linked to Russia.
The release could provide further insight into how much Facebook was exploited by Russian actors during the 2016 presidential election.
Facebook said the ads were purchased by the Internet Research Agency, which has been tied to the Kremlin.
The House Intelligence Committee has been plagued by infighting between its Democratic and Republican members.
The Republican-majority committee released their final report last month detailing Russia's election meddling, saying there was no evidence of collusion between President Trump
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However, Democrats on the committee pushed back, saying the probe had not yet concluded and that the investigation was politically fraught.
The report comes as Facebook finds itself in hot water for its handling of Russia's use of the platform during the 2016 campaign.
Facebook revealed in September it had identified 470 accounts connected to the Internet Research Agency, who purchased 3,000 ads meant to foment political tension during the campaign.
The social media company has also faced backlash over its relationship with British research firm Cambridge Analytica, which had connections to the Trump campaign and has since announced it is shutting down.
Facebook said in March that the research firm improperly harvested the data of 87 million Facebook users, going against its policies.
Updated at 9:40 p.m.