Ahmed Rufai Abubakar, the Director General of the National Intelligence Agency (NIA), has submitted his resignation to President Bola Tinubu.
The resignation was tendered on Saturday at the Presidential Villa in Abuja.
Abubakar, a retired career Foreign Service officer, was appointed to the role by former President Muhammadu Buhari in 2018.
The reasons for his sudden resignation are not yet known, and the presidency has not released an official statement regarding the matter.