A warrant was carried out at premises on Dundonald Street, Birkenhead, at around 8.50am this morning (Wednesday 22 September.)
A 49-year-old man from Birkenhead was arrested on suspicion of possession with intent to supply Class A drugs, and various items were seized.
He has been released under investigation pending further enquiries.
The warrant was carried out under the Misuse of Drugs Act. During the search of the address, officers seized a quantity of Class A drugs, weapons and mobile phones.
If you have any information on suspected drug storage or supply please contact Merseyside Police via @MerPolCC or Crimestoppers anonymously on 0800 555 111.