Two more people have been arrested in connection with the murder of Keith Walker.
Three people are now in custody in relation to the shooting in West Dublin on Friday.
In these latest arrests, two men – aged 36 and 38 – were arrested last evening in Dublin.
As part of the investigation Gardai also searched a number of residential properties in the Dublin area.
The 2 men are being detained under section 50 of the Criminal Justice Act at Finglas and Blanchardstown Garda stations.
A third man who was arrested in County Meath yesterday is also still being questioned.
36 year old Keith Walker, who was from Tir Na Ri Road in Clondalkin, was gunned down at youth centre on Shelerin Road in Clonsilla on Friday – in what's believed to have been a case of mistaken identity.
