Juvinai Ferreira (R) Attacked Mark Bridger in the first few weeks of his life sentence
A prisoner serving a life sentence for murder has admitted attacking April Jones murderer Mark Bridger in one of Britain's most secure jails.
Juvinai Ferreira, 22, pleaded guilty to slashing Bridger with a makeshift knife in Wakefield Prison when he appeared via videolink at Leeds Crown Court.
Bridger, 47, was sentenced to life for the abduction and murder of five-year-old April in Machynlleth, north Wales.
He needed hospital treatment following the attack. Ferreira, who is already serving a life sentence for murder, will be sentenced on 2 October.
When told that his case would be adjourned, Ferreira - who looked bored and placed his head in his hands for a majority of the proceedings - asked the judge: "Can you just not sentence me? I can't keep coming back.
"Just give me anything and move on."
Judge Batty told him he would need to assess how dangerous he was and whether a second life sentence would be appropriate.
Ferreira was found guilty in 2009 of murdering Elaine Walpole in Dereham, Norfolk. He had befriended the 47-year-old victim after she bought him cigarettes in a shop.
A post-mortem revealed that Walpole, who lived alone, had been stabbed three times and bitten when she died. Prosecutors described Ferreira - who moved to the UK in 2007 from Gambia - as "sex-crazed".
Forensic experts also spent a year following his arrest proving that he was an adult as he had claimed that he was only 16. He was eventually sentenced to life with a minimum of 22 years.
Bridger was found guilty of the abduction and murder of April at Mold Crown Court. Her disappearance sparked one of the biggest police manhunts in British history, but the five-year-old's body has never been found.
Bridger, who was also found guilty of perverting the course of justice by unlawfully disposing, destroying or concealing April's body, was given a whole life tariff, preventing him from ever applying for parole.
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