Part of the Kafue Gorge power station has been gutted.
The fire is believed to have started at the station’s power control room.
According to ZANIS, 20 people are believed to have been trapped in the underground tunnels of the station while 6 have been rushed to the hospital.
The fire is said to have caused extensive damage to the new plan under construction.
The fire is said to have destroyed the extension of the power station where two more generators are to be installed.
The Fire brigade is currently on site trying to quench the fire and to retrieve the 20 people trapped underground.