Gardaí in Dublin have arrested a third man in connection with the death of a man in Clonsilla overnight.
The 21-year-old died after being shot at a house at Fortlawn Park at around 3am.
Two men aged 18 and 23 are being questioned at Finglas garda station while a third man - who is 24 - is being questioned in Cabra.
Gardaí are exploring the possibility that the man died after a legally held shotgun was accidentally discharged.