Fire chiefs confirm Burnley house blaze is suspected arson attack
Neighbouring properties had to be evacuated after the fire broke out at the house in Parkinson Street at around 2-45am.
Neighbours also reported hearing exploding noises at the scene.
Two people were taken to hospital to be treated for smoke inhalation and to be checked over as a precaution.Six fire engines and an aerial ladder platform were required at the mid terraced property.
Crews used two hosereels, two jets and wore four sets of breathing apparatus to tackle the flames.
A positive ventilation fan was also needed to clear the property of smoke.
Crews from Burnley remained at the scene for several hours after the fire and a spokesman for Lancashire Fire and Rescue confirmed today that it was a suspected arson attack.