Benjamin Katabana – who stabbed Uchenna Okirie to death in the corridor of Somerleyton House, in Norwich's Golden Triangle – is alleged to have attacked an officer at HMP Norwich ahead of his sentencing hearing in August.

Uchenna Okirie (Image: Norfolk Constabulary)

Katabana, 28, was given a life sentence with a minimum term of 20 years after he was found guilty of murdering 33-year-old Mr Okirie in a row over money in November last year.

Police at Somerleyton House following the fatal stabbing (Image: Newsquest)

But the sentencing at Norwich Crown Court was adjourned amid reports Katabana, a former child refugee from war-torn Congo, had allegedly attacked an officer at the Knox Road jail on July 21 this year.

Norwich Prison (Image: Newsquest)

An investigation into the incident was........

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