Two men and two women are being question in connection with the death of man in Dublin last year.
Gary Carey was shot in a hotel car park in Kilmainham in Dublin 8 on the 24th of June.
The 41-year-old died in hospital six weeks later.
Two men in their 20s, as well as two women in their 20s and 30s, were arrested this morning.
They're being questioned at various garda stations in the city, where they can be held for up to a week.
A garda spokesperson says: "Four people were arrested on the morning of Monday 15th May 2023 as part of the investigation into the fatal shooting of a man in his 30s that occurred at an underground carpark of a premises on the South Circular Road in Kilmainham, Dublin 8, on Friday 24th June 2022.
"Two men in their 20s and two women in their 20s and 30s are currently being detained under the provisions of Section 50 of the Criminal Justice Act 2007 in various Garda stations across Dublin city."
