Two men in their 30s have been arrested by gardaĆ investigating the murder of Vincent Ryan.
He was shot dead on Monday, February 29 in Finglas.
The arrests came during searches in north and west Dublin this morning.
One man is detained under Section 50 of the Criminal Justice Act, 2007 at Finglas Garda Station.
The second man is detained under Section 30 of the Offenses Against The State Act, 1939 at Blanchardstown Garda Station.