Convicted murderer Harry Matthews has had his jail term extended at HMP Whitemoor in March after he attacked three prison officers.
The 28-year-old is currently serving 27 years in prison for the murder of Mark Swinhoe in Loughborough in 2018.
He was in HMP Whitemoor when he carried out an attack on three prison officers at 10am on November 18, 2022.
He was called to the governor's office after he used abusive language, however the abuse continued in the office and he was asked to leave.
The murderer became irate, and threw his chair at an officer which gave them a broken elbow.
He pushed another officer against a wall, and while restrained, bit another officer on the back.
Matthews pleaded guilty to GBH without intent and two counts of assaulting an emergency worker.
He was sentenced at Cambridge Crown Court on Friday, March 22 to an additional two years in prison on top of his existing sentence.
DC Emma Purser said: "Prison officers do brilliant work every day and they should not have to fear for their safety at work.
"Matthews is clearly a dangerous man and his behaviour shows prison is the only place for him."
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