Two people have been arrested on suspicion of drugs offences following a warrant.
Officers raided a house in Nuthall Circle, Ilkeston, this morning (Friday February 14) and found what they suspected to be heroin.
A 40-year-old man and 31-year-old woman were both arrested at the scene on suspicion of possessing drugs with the intent to supply and money laundering.
They remain in custody and are being questioned.
Anyone with information about drugs in their community can call police on 101 or speak anonymously to Crimestoppers on 0800 555 111.