Three people arrested in connection with a drugs seizure in Cork have been released.

A file is being prepared for the Director of Public Prosecutions. One man remains in custody in Killarney, Co Kerry overnight.

The arrests happened after gardaí from Cork City Divisional Drugs Unit searched a house at Rathpeacon, Co Cork last Thursday.

Gardaí discovered 7kg of cannabis herb with an estimated street value of €150,000 and cocaine with a street value of €1,000.

Four people were arrested three at the scene and a fourth person was arrested in Killarney, Co. Kerry.

A woman, in her 20s, and two men (one in his 30s and one in his 20s) were arrested at the scene and were detained at Togher and Mayfield Garda stations.

All three have been released and a file is being prepared for the DPP.

A man in his 30s remains in custody at Killarney Garda Station where he is detained under Section 2 of the Criminal Justice (Drug Trafficking) Act, 1996.