The incident reportedly happened on Wednesday, January 4, 2017, at the Administrative Reception of the Presidential Villa, Abuja.
The discharge left one of the female workers badly injured and bleeding profusely.
The Nation reports that the victim was injured on her thigh and back, and was rushed to the State House Medical Centre in Asokoro after initial treatment at the medical centre within the Presidential Villa.
The lady whose identity has been withheld, is still on admission.
The Nation reports that the security operative involved in the incident explained that he had been trying empty his weapon when the ugly incident occurred.