Tinubu swore-in Justice Kekere-Ekun at about 11:38 am at the State House in Abuja, making her the second Nigerian female jurist to serve as the Chief Justice of Nigeria.
The first woman was Justice Aloma Mariam Mukhtar, who was the Chief Justice of Nigeria between July 2012 and November, 2014.
She will operate in an acting capacity until confirmation by the Senate.
Justice Kekere-Ekun takes over the new role following her recommendation for the position by the National Judicial Council and the retirement of Justice Olukayode Ariwoola.
Among the dignitaries who witnessed the swearing-in event were other Justices of the Supreme Court; the President of the Senate, Godswill Akpabio; the leadership of the House of Representatives, represented by Prof Julius Ihonbvere; the Governor of Lagos State, Babajide Sanwo-olu; and immediate past Chief Justice of Nigeria, Justice Olukayode Ariwoola.
Also present were the Secretary to the Government of the Federation (SGF), George Akume; National Security Adviser (NSA), Nuhu Ribadu; Chief of Staff to the President, Femi Gbajabiamila; Minister of Information and National Orientation, Mohammed Idris.
President Tinubu cut short his trip to France, returning to the country early this morning to swear-in the new CJN.
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JUST IN ! Justice Kekere Ekun Sworn in as Chief Justice of Nigeria