TUESDAY, SEPTEMBER 4, 2018  9:30 AM Judiciary  Hearings to examine the nomination of Brett M. Kavanaugh, of Maryland, to be an Associate Justice of the Supreme Court of the United States. SH-216 Coverage: Coverage: C-SPAN POOL FEED:  Chairman Iso Feed: CAP DA 1,  Witness Camera Iso Feed: CAP DA 2,  Side One Camera Iso Feed: CAP DA 3,  Side Two Camera Iso Feed: CAP DA 4.
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TUESDAY, SEPTEMBER 4, 2018 9:30 AM Judiciary Hearings to examine the nomination of Brett M. Kavanaugh, of Maryland, to be an Associate Justice of the Supreme Court of the United States. SH-216 Coverage: Coverage: C-SPAN POOL FEED: Chairman Iso Feed: CAP DA 1, Witness Camera Iso Feed: CAP DA 2, Side One Camera Iso Feed: CAP DA 3, Side Two Camera Iso Feed: CAP DA 4.
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WASHINGTON, DC - JULY 09:  U.S. Circuit Judge Brett M. Kavanaugh looks on as U.S. President Donald Trump introduces him as his nominee to the United States Supreme Court during an event in the East Room of the White House July 9, 2018 in Washington, DC. Pending confirmation by the U.S. Senate, Judge Kavanaugh would succeed Associate Justice Anthony Kennedy, 81, who is retiring after 30 years of service on the high court.  (Photo by Chip Somodevilla/Getty Images)
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UNITED STATES - MAY 09: Brett Kavanaugh is sowrn-in at a Senate Judiciary Committee hearing on his nomination to be U. S. Circuit Judge for the Ninth Circuit. (Photo By Chris Maddaloni/Roll Call/Getty Images)
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(CNN) —  

Capitol Police said they had made 70 arrests on the Senate side of Capitol Hill by the end of the first day of hearings on Supreme Court nominee Brett Kavanaugh.

The police said in a statement on Tuesday that they had “responded to numerous incidents of unlawful demonstration activities within the Senate Office Buildings today that were associated with the first day of hearings held by the Senate Judiciary Committee.”

The statement said 61 people had been removed and charged with disorderly conduct in one Senate office building and that nine more were removed from another office building “for unlawful demonstration activities” and charged with “crowding, obstructing or incommoding.”

The first day of hearings for Kavanaugh was marked by frequent protests and calls from Senate Democrats for the process to be suspended until more relevant documents are made public.

Sen. Chuck Grassley, an Iowa Republican who’s the Judiciary Committee’s chairman, pushed back on those calls, and outgoing Sen. Orrin Hatch, a Utah Republican, at one point called for the removal of a “loudmouth” protester.

Tuesday’s hearing ended with Kavanaugh’s formal introduction and opening remarks. The confirmation process is due to resume on Wednesday morning.

CNN’s Steve Brusk and Kevin Bohn contributed to this report.