A man has been arrested following a report that a woman was found unwell at an address in Prescot on Monday 2 October.
At around 9.35am it was reported that an 18-year-old woman was in need of medical attention and a man had left the address in a vehicle.
The woman is recovering in hospital.
Officers attended and while searching the property found two large bags of white powder suspected to be Class A drugs and a small quantity of brown powder suspected to be heroin.
A 48-year-old man was located at another address, which was also searched. He was arrested on suspicion of driving, drug and weapon offences. He has been bailed pending further enquiries.
If you have any information on this incident please contact our social media desk on Twitter @MerPolCC or Facebook ‘Merseyside Police Contact Centre’ with any information with reference 23000954451.