A man arrested following a series of raids in Dublin on Wednesday morning has been released without charge.
Officers from the National Drugs & Organised Crime Bureau (GNDOCB), supported by the Special Crime Task Force (SCTF) and others, carried out a total of seven searches of premises in the city centre.
They were targeting criminality associated with organised crime.
The 24-year-old man had been arrested on suspicion of drug trafficking following a seizure of a quantity of heroin.
However he has since been released without charge.
A file will now be prepared for the Director of Public Prosecutions (DPP).
A number of encrypted communications devices were also seized in the course of the seven searches.
Assistant Commissioner John O'Driscoll, heads Special Crime Operations (SCO).
He said earlier: "The searches undertaken this morning represent further evidence of the Garda Siochána's unrelenting efforts to dismantle organised crime groups (OCGs) that are involved in drug trafficking and a wide range of other criminality and who are attempting to murder particular people".
With reporting from Stephen McNeice and Jack Quann