One man has been released without charge following his arrest in connection with the murders of two Dublin men.
Another man remains in Garda custody after both were detained in Cavan yesterday.
The remains of Eoin O'Connor and Anthony Keegan - both from Coolock - were found on an island in Lough Sheelin on the Cavan/Meath border last month.
They had been reported missing after leaving Dublin on April 22.
A file has is being prepared for the DPP.