Five people have been arrested this morning in connection with the death of Lorcan O'Reilly in Dublin over Halloween.

Three men and two women in their late teens and early 20s were detained by Gardai from Kevin Street.

21 year old Lorcan O'Reilly was stabbed to death in the early hours of Sunday 1st November - it's believed he was trying to intervene in a fight in the Oliver Bond flats complex.

The five people arrested are being held at Donnybrook, Pearse Street, Kevin Street, Kilmainham and Crumlin garda stations.

They can be held for up to 72 hours under Section 30 of the Offences Against the State Act.