The International Criminal Court will commission an independent investigation into accusations of sexual misconduct by its chief prosecutor, the court announced Monday.

The investigation into Karim Khan, the prosecutor best known for seeking arrest warrants for top Israeli and Hamas leaders for their conduct of the war in Gaza, will be carried out by an external body “in order to ensure a fully independent, impartial and fair process,” according to a statement by Paivi Kaukoranta, the chief of the international assembly that oversees the court.

In his own statement Monday, according to The Associated Press, Mr. Khan, whose office is responsible for investigating and prosecuting international war crimes and genocide, said he was aware of the investigation and had requested that his two deputy prosecutors take responsibility for the matter internally. “I welcome the opportunity to engage in this process,” he said.

The Daily Mail reported in October that a female colleague had accused Mr. Khan of harassment, an allegation he denied. The Guardian later reported that Mr. Khan had tried to suppress the accuser’s claims, which he also denied.

After being made aware of the allegations, Ms. Kaukoranta, president of the assembly representing 125 nations that recognize the court’s authority, said in late October that the court “seeks the consent of any alleged victim of misconduct before proceeding with an investigation,” but after a conversation with Mr. Khan’s accuser, the court was “was not in a position to proceed.”

Days later, Mr. Khan said on social media that the matter had been “closed” by the court’s oversight body without an investigation because no complaint had been made, and that the “alleged aggrieved person” had declined the option of an investigation. Mr. Khan also said he sought an investigation into how the information, which he called “disinformation,” had been made public.