Cleveland Police have sealed off an address in Bruntoft Avenue hartlepool.
The address was searched in relation to the murder of Mark Denton the former boxer who was murdered at a new years eve party.
Police have confirmed £12.500 of Class A drugs have been recovered.
Police have further arrested a second pair a man and woman aged 27 in relation to the drugs offence.
They are being held with the intent to supply and are currently in police custody.