The Prison Officers' Association says it hopes its members will be able to join forces with the other people campaigning to keep Lincoln Prison open following news that its future is under review.
Spokesperson Joe Simpson says at the moment they are just dealing with rumours about its future.
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Gareth Morgan has been appointed, subject to being ratified by the Police and Crime Panel.
The new £15.7 million facility at the National Memorial Arboretum in Staffordshire is being officially opened tomorrow.
The incident happened at around 1.30pm on Saturday March 18 when the victim was walking her dog in Chaddesden Park, Derby.