Gardaí investigating the fatal shooting of 50-year-old Bobby Messitt in June have arrested a man.
He was shot in Bray Boxing Club at The Harbour in Bray on June 5th.
At least one gunman entered the club and opened fire.
There were up to 20 people training in the club at the time.
A man aged in his early 30s was arrested late on Thursday night and brought to Bray Garda Station.
He is currently detained under Section 50 of the Criminal Justice Act.
While Gardaí say investigations on going.
Katie Taylor's father, Pete Taylor, was also injured in the shooting.