Many equipment and documents have been burnt in the complex.
The Federal Secretariat complex along Okpanam Road in Asaba, Delta State capital has caught fire.
The state fire service has been overwhelmed by the raging fair, it was learnt.
And while they struggle to put out the fire, many equipment and documents have been burnt in the complex.
The fire was said to have started early on Tuesday but as of the time of filing this report, its cause had yet to be ascertained.