Shortly after 5am Cleveland Fire Brigade were called to a house fire in Carlton Village,Stockton.
On arrival fire crews were presented with a severe fire in which there were two fatalities.
Five appliances attended which were from Stockton,Thornaby and Middlesbrough Stations.
Crews left the scene at approximately 8.45am.
The cause of the fire is under investigation and a joint investigation team has been established between Cleveland Fire Brigade and Cleveland Police.
More top news
Paul Brand and guests - including two new North East MPs - discuss the Queen's Speech and the Labour/Lib Dem leadership campaigns.
A look ahead at the forecast for the Tyne Tees region.
Health services that dealt with a double murderer should have identified the probability that he would re-offend