Police are searching for an absconder from HMP North Sea Camp in Boston.
Two inmates left the prison shortly before 9am this morning (Thursday) but one was swiftly arrested.
Terry Marshall (32), who is originally from Nottinghamshire, and who is serving a sentence for burglary offences, remains on the run.
“Nottinghamshire’s air support unit is assisting with the search and is currently concntrating on the area near the Finn Forest factory,” said a police spokesperson
“Marshall is approx 5’ 10” tall, of muscular build and has brown hair. It is believed he may be wearing jeans and a grey T shirt.
“We will be obtaining confirmation of tattoos and distinguishing features and will update when available.
“Anyone who thinks they may have seen Marshall should contact Lincolnshire Police immediately,” they added.