A mother has been rescued after a huge explosion destroyed her house, a relative has said.
Her semi-detached home was reduced to a pile of rubble and her neighbour's house also badly damaged.
They said she was in a serious but stable condition and had been taken to the Royal Victoria Infirmary in Newcastle.
Tracy Tia Judson said her sister, who is in her 50s, suffered minor burns and was able to talk to ambulance staff.
Emergency services were called to an address in Rosslyn Avenue in Ryhope at about 08:50 BST.
She was said to be "conscious and talking".
Gas engineers were also there, along with search specialists with dogs to make sure there were no other casualties trapped.
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Ms Shepherd's daughter was with her father at the time of the blast, the sister said.
Police, fire and ambulance services were at the scene, with a cordon put in place to keep members of the public away.
The incredible footage, taken from a CCTV camera, captured the moment a home in Rosslyn Avenue, Sunderland was completely destroyed after a suspected gas leak.
Tracey Pounder, 51, said she heard an "almighty bang".
The cause of the blast is not yet known but Northumbria Police said there was "nothing to indicate at this time that this is linked to terrorism".
"I went upstairs and you could see dust rising", she added.
He's spoken with Sun FM and could only say one word to describe what he's seen - "Shocked!".