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
Last night hundreds of people turned out for the official opening of Sunderland's new Fire Station arts hub.
There are no Tyne and Wear Metro trains running between Wallsend and North Shields due to a problem with the overhead line.
A teenager who killed a seven-year-old girl in a park in York has been given a life sentence.