Firefighters have said a Sydney house that was gutted by fire this morning was not fitted with any smoke alarms.
More than six fire trucks were called to tackle the blaze on Wellington Street in Mascot.
Though the cause of the fire remains unclear, it reportedly started in the lounge room of the house at 9.30am.
The owner of the home managed to escape with his elderly mother, who was later taken to hospital as a precaution.
"I grabbed my mum, walked her out the house," George Moredes told 9NEWS.
A home has been destroyed by fire in Rosebery. (9NEWS)
"Then I tried to put it [the fire] out with a hose but got told not to."
He says he is unsure what caused the blaze.
"I was charging my drone, it could be the Christmas tree, it was all in that area, so I'm not too sure."
One witness told 9news.com.au she called Triple Zero after searching the street for the source of the smoke blanketing the area.
"I saw the boy, in his 30s, getting his older mother out of the house," she said.
"All I could smell was fire.
Emergency services rushed to the scene. (Supplied: Bernadette Habkouk)
"The street was black."
The witness's daughter described the family as "lovely" and said they "seem to have lost it all".
The damage bill is expected to exceed $500,000 and the owner has said he is unsure if it will be covered by insurance.
Read more at http://www.9news.com.au/national/2016/12/27/11/02/fire-crews-battling-to-bring-sydney-house-fire-under-control#llYJBIFUEZdAczME.99