A 16-year-old boy has been arrested in connection with the murder of Stephen “Madzer” Byrne in Dublin on Tuesday.

Two men were injured in a shooting attack today as they sat in a van in west Dublin.

A teenager arrested over a fatal gangland shooting of a suspected killer was released without charge today.

Three young men standing around gangster Stephen "Madzer" Byrne moments before he was gunned down scattered when his killer arrived on a bicycle, detectives indicated today.