Three people arrested in Ashbourne, County Meath, in connection with the death of Irish model Katy French have been released.
Ms French died just a week after her 24th birthday
A 19-year-old man is still being detained in Kells Garda station.
Two men, one aged 39 and one in his mid-20s, and a woman aged 28, arrested on Wednesday have been freed.
The model, 24, died in December after being in a coma for five days and suffering brain damage. It emerged she had taken cocaine.
Ms French had admitted to previously taking cocaine, but claimed to have stopped.