Lincolnshire Police are appealing to find the owners of a dog that was recovered during a series of modern slavery raids in Lincoln.
Officers recovered the dog, which is described as being in a healthy condition, during raids as part of Operation Pottery yesterday.
Lincolnshire Police, the National Crime Agency and officers from neighbouring forces arrested seven people during and seven people were rescued in the raids.
Four men, aged between 21 and 52, and one 53-year-old woman have now been released on police bail.
The male dog recovered during the operation is believed to be a five to six-month-old Belgian Malinois who is just getting his adult teeth.
The dog has short predominantly brown fur and a black face. He has not been chipped and has no obvious particularly identifiable features.
Lincolnshire Police would like to hear from the owner of the dog, or anyone who thinks they know who the owner is.
Anyone with any information is asked to call 101 or contact Crimestoppers anonymously on 0800 555 111.