Three people have been arrested on suspicion of human trafficking and forced labour in Nottinghamshire.
Officers carried out a warrant at a house on Vernon Road in Old Basford on Thursday (April 26).
Two men aged 20 and 29 and a 33-year-old woman are being interviewed in connection with the offences, reported to have been committed between October 8 and November 10 of 2017.
Four people previously identified as possible victims of modern slavery in relation to the investigation have been referred to external agencies for safeguarding.
If you have suspicions about possible modern slavery near you, you are asked to call Notts Police on 101.
Alternatively, you can contact the Modern Slavery Helpline on 08000 121 700 for more advice.