Daniel Valentine/via Reuters
Police were seen removing the demonstrators Tuesday evening from a sit-in at the nominee's office in Montgomery.
NAACP President Cornell William Brooks, who took part in the protest, said the group held the demonstration to oppose Sessions' nomination as attorney general.
The civil rights organization broadcast the developments on its Facebook page.
The group said it was raising concerns about multiple aspects of Sessions' record including his prosecution of African-American activists for alleged voting fraud when he was a U.S. attorney.
Brooks said earlier by phone that Sessions "can't be trusted to be the chief law enforcement officer for voting rights." The sit-in began shortly after 11 a.m. Tuesday. Those led away were seen being escorted into a police vehicle.
The NAACP staged a sit-in on Tuesday to protest the nomination of conservative U.S. Senator Jeff Sessions as the nation's next Attorney General, vowing to occupy his Mobile, Alabama, office until he withdrew as a candidate or demonstrators were arrested.
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"Senator Sessions has callously ignored the reality of voter suppression but zealously prosecuted innocent civil rights leaders on trumped-up charges of voter fraud," NAACP President and CEO Cornell William Brooks said in a news release. "As an opponent of the vote, he can't be trusted to be the chief law enforcement officer for voting rights."
Brooks posted a photo on Twitter of protesters in suits occupying the senator's Mobile office.
Sessions' office could not immediately be reached for comment.
President-elect Donald Trump in November named Sessions to lead the Justice Department and the FBI, and his history could see scrutiny during a confirmation process before his fellow senators.
Sessions was a federal prosecutor in 1986 when he became only the second nominee in 50 years to be denied confirmation as a federal judge. This came after allegations that he had made racist remarks, including testimony that he had called an African-American prosecutor "boy," an allegation Sessions denied.
Sessions said he was not a racist but he said at his hearing that groups such as the NAACP and the American Civil Liberties Union could be considered "un-American."
He also acknowledged that he had called the Voting Rights Act of 1965 a "piece of intrusive legislation."