An XL Bully has launched a vicious attack after inflicting 200 injuries on a woman who was looking after the unlicensed mut.

Charlie Watts sustained hundreds of puncture wounds to her arms and legs after the unnamed pooch started fighting her XL Bully cross named Titan.

Watts, from the Norfolk market town of Holt, eventually managed to escape after locking herself in her bathroom.

A neighbour reportedly heard the woman’s cries shortly before midnight on April 9.

Firefighters assisted Watts' escape through a window and Norfolk Police later confirmed the mut had been put down.

A Norfolk Police spokesman said: “Emergency services were called to an address at 11.45pm on April 9 to reports of a woman injured after she intervened between two dogs that had attacked each other.

“The victim, a woman in her 20s, sustained serious injuries. She was taken to the Norfolk and Norwich Hospital for treatment.

“One dog, an XL Bully, has since been destroyed. A second has been seized and its breed is being determined. Enquiries are ongoing.”

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Police continue to hold onto Titan to establish its breed and work out if it falls into the official banned category.

Restrictions were imposed on XL Bullies from February 1 following a spate of fatal incidents.

It is now an offence to own one in England and Wales without an exemption certificate or to walk one without a lead and muzzle.

There are questions about whether the force should release Titan given his reported involvement in protecting Watts.

Watts' grandfather Alan Gilbey claimed: “Fortunately, her dog saved her life. He pulled the other one off. He was a smaller dog.

“She's got him neutered and registered because they said he was borderline, so she should be getting him back tomorrow.

“He's not a banned dog because we already had him tested two years ago but you know what the police are like.

“They took one look and said he was a banned dog but that is not the case.”

A series of Facebook messages posted to Watts expressed the desire to the woman to retrieve her pooch.

One said: “TITAN SAVED MY LIFE & police have him.

“Need him home asap, not only (for) him but for my mental health. Any help & advice welcome!! Please help me get Titan back.”

Another post claimed: “Titan got the dog that was trying to kill me.”

A third message said: “Getting some rest. Thinking of you my king. Mummy get you soon. This is killing me.”