Lincoln Bishop's Palace targeted by metal thieves
Thieves have stolen lead from the roof of a the Bishop's Palace in Lincoln.
Staff discovered that 64 sq ft (6 sq metres) of the metal had been taken from the building at some point during the week.
The complex, much of which dates back to the medieval period, has suffered a number of metal thefts this year.
Police have said it is shocking that such an important building could be targeted and officers have appealed for witnesses to come forward.
Staff at the palace confirmed the lead was marked and is traceable.