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Facebook founder and CEO Mark Zuckerberg earlier this year. Photo: Noah Berger/AP

On Monday, Congressional investigators will receive Facebook ads bought during the 2016 presidential campaign by Russian operatives, the company says. Lawmakers will get roughly 3,000 ads purchased by a Russian troll farm that focused, in part, on divisive political issues. The company is also providing data on how the ads were paid for and targeted to users on Facebook.

The bigger picture: Facebook initially said it wouldn't hand over the ads, but it's under intense political pressure to provide as much information as possible as part of the probe into Russian election interference. Twitter also briefed investigators last week and is facing similar pressure. Lawmakers could choose to make details about the ads public.

Go deeper: What we've learned so far about how Russian operatives' alleged used social media to divide Americans.

Go deeper

In photos: D.C. and U.S. states on alert for pre-inauguration violence

National Guard troops stand behind security fencing with the dome of the U.S. Capitol Building behind them, on Jan. 16. Photo: Kent Nishimura / Los Angeles Times via Getty Images

Security has been stepped up in Washington, D.C., and state capitols across the U.S. as authorities brace for potential violence this weekend.

Driving the news: Following the Jan. 6 insurrection at the U.S. Capitol by some supporters of President Trump, the FBI has said there could be armed protests in D.C. and in all 50 state capitols in the run-up to President-elect Joe Biden's inauguration Wednesday.

15 hours ago - Politics & Policy

The new Washington

Illustration: Sarah Grillo/Axios

The Axios subject-matter experts brief you on the incoming administration's plans and team.

Rep. Lou Correa tests positive for COVID-19

Lou Correa. Photo: Tom Williams/CQ-Roll Call, Inc via Getty Images

Rep. Lou Correa (D-Calif.) announced on Saturday that he has tested positive for the coronavirus.

Why it matters: Correa is the latest Democratic lawmaker to share his positive test results after last week's deadly Capitol riot. Correa did not shelter in the designated safe zone with his congressional colleagues during the siege, per a spokesperson, instead staying outside to help Capitol Police.