A man has been arrested in connection with the murder of Dean Johnson who was gunned down in a gangland-style killing in Clondalkin in Dublin last August.
The 21-year-old was shot several times outside a house on Harelawn Green, which is just a short distance from his home.
Johnson was known to Gardaí, but was regarded as a low-level operator in the drug trade and not a major gangland figure.
Detectives investigating his murder arrested a 24-year-old man in west Dublin this morning. He is being questioned at Lucan Garda Station.