Law enforcement agents on Monday conducted a joint operation at the federal prison in Brooklyn, where Sean “Diddy” Combs is being held without bail on sex-trafficking charges.

“This operation was pre-planned and there is no active threat,” a Bureau of Prisons spokesman said in a statement.

Law enforcement officials seen at the scene included members of the NYPD, the US Drug Enforcement Administration and the FBI, the photos show. They also brought in a K-9 unit and spent hours at the unit.

There was no immediate connection to Combs, and the prison has been under fire for years over conditions and infighting with staff. The BOP shared few details and said authorities plan to release more information later.

DIDDY PLACED ON SUICIDE WATCH IN NEW YORK JAIL: SOURCE

DEA agents enter the MDC Brooklyn prison in New York during an “interagency operation” on Monday, October 28, 2024. (Olga Fe (FreedomNewsTV))

Agencies involved included the BOP and the Department of Justice’s Office of the Inspector General, which along with other law enforcement agencies are “conducting an interagency operation designed to achieve our shared goal of maintaining a safe environment for both our employees and individuals incarcerated housed at MDC Brooklyn. “, said the spokesperson of the BOP.

Combs, whose attorneys requested that he be held in New Jersey, was placed routine suicide watch at the facility when it arrived, Fox News Digital previously reported.

Sean “Diddy” Combs pleaded not guilty last month, and a judge set his trial date for May 5. (Elizabeth Williams via AP)

In recent months, the prison has faced criticism over conditions inside, which have become so bad that the Associated Press reported last month that some judges have stopped sending inmates there.

Watch FOX NATION: WHAT DIDDY IS DOING?

Diddy’s attorneys Marc Agnifilo and Teny Geragos arrive in court Thursday, Oct. 10, 2024. Sean “Diddy” Combs faces federal sex trafficking charges. (Rashid Umar Abbasi for Fox News Digital)

Other high-profile inmates previously held at MDC Brooklyn included R. Kelly, Ghislaine Maxwell and Sam Bankman-Fried.

Combs has pleaded not guilty in the federal case. Other accusers continue to appear in civil lawsuits.

Jeffrey Epstein, Maxwell’s longtime lover, who died before trial in his own sex-trafficking case, was being held in another federal prison. in manhattan which was temporarily closed.

The Metropolitan Detention Center (MDC) in Brooklyn, a federal administrative detention facility in the United States, is pictured on July 6, 2020 in New York City. (JOHANNES EISELE/AFP via Getty Images)

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Many of its inmates were moved to Brooklyn.

Members of New York’s congressional delegation have raised concerns about staffing levels and other concerns at both facilities for years.

The Associated Press contributed to this report.