A 53-year-old man has absconded from HMP North Sea Camp near Boston, becoming the second person in as many weeks to do so.
James Michael Donoghue was reported missing from the open prison at around 7am on Friday, July 31.
He is described as 5ft11 tall, of slight build, balding, with blue eyes and tattoos on his arms.
Donoghue is the second prisoner to abscond from North Sea Camp, after 27-year-old Charlie Oakley evaded officers on Monday, July 20.
Anyone who sees James Michael Donoghue is being asked to not approach him but instead call 999 and quote incident number 58 of July 31.