Three of the four people arrested yesterday following a search operation in Finglas in Dublin have been released without charge.

Gardaí carried out a series of searches at two houses yesterday morning.

A man in his 30s and two women in their 20s who were arrested have now been released.

Gardaí said files are being prepared for the Director of Public Prosecutions.

A man in his 20s is still being detained at Finglas Garda Station under Section 30 of the Offences Against Act, 1939.