Two men arrested in connection with a shooting in North Dublin on Friday have been released without charge.
It happened near an industrial park at Killeek Lane in Swords.
Two men were injured in the incident - one of them critically after being shot a number of times.
Officers are appealing for help from members of the public who may have seen a black Citroen C4 car, registration 151 D 34526, between 11.30am when it left the vicinity of Killeek Lane and 12.30pm when it was abandoned and set on fire at Greenwood Avenue in Coolock.
Investigating Gardaí are also appealing for any road users with video recording between 11.15am and 11.45am or in the vicinity of the Greenwood Avenue, Blunden Drive, Malahide Road area of Dublin 13 between 12.15pm and 12.40pm to come forward.
Gardaí can be contacted at Swords on 01-666-4700, the Garda Confidential Line at 1800-666-111 or any Garda station.