A woman in her 20s has been arrested in connection with the fatal shooting of Bobby Messitt at Bray Boxing Club in Wicklow.
The 50-year-old was killed at around 7am on the 5th June when at least one gunman entered the club and opened fire.
Two other men, including Pete Taylor, were injured in the attack.
The woman was arrested in the Dublin area yesterday evening and is being detained at Dundrum Garda Station under Section 50 of the Criminal Justice Act.
Meanwhile, a man his 30s remains in Garda custody in connection with the same incident - he was arrested on Thursday and is being held at Bray Garda Station.