Lincolnshire Police are urging landlords to check their empty properties and improve security after another spate of copper thefts in Lincoln.
On June 17, thieves broke into an unoccupied council flat in Alness Close, Lincoln, and stole copper piping in the early hours.
The day before, theives also broke into an empty house on Macauley Drive and also stole copper piping.
Officers are asking landlords to not only regularly visit their properties, but consider extra security like burglar alarms.
Landlords can call Lincolnshire Police for advice and info on the latest home security systems available to home owners and landlords.
Anyone with information on the two burglaries should contact Lincolnshire Police on 0300 111 0300 or call Crimestoppers anonymously on 0800 555 111.