EDF Energy, which owns the Hartlepool Nuclear power station has released a statement after a "small fire" at the plant last night.
More than 10 fire engines attended the scene of the plant near Seaton Carew.
In a stament EDF Energy has confirmed there was a fire but says "there is no threat to the public or staff".
"EDF Energy confirms that at around 18:30 on 20 April a small fire was detected in the turbine hall of unit 2 at Hartlepool power station.
"The fire was quickly brought under control and any residual smouldering extinguished at 19:53.
"There were no injuries as a result of this incident and there is no threat to the public or staff.
"Unit 1 at the power station continues to operate normally."
More top news
Police in Newcastle have arrested 13 people as part of a campaign to tackle crime and disorder in the west end.
Kerrie Gosney brings you Sunday night's forecast for the Tyne Tees region
The remains of Hurricane Gonzalo will reach the UK on Monday night, bringing a period of strong winds and heavy rain to the UK.