A file is being prepared for the Director of Public Prosecutions in relation to an arson attack on a house in Ballybane.
A house at Castlepark, Ballybane was set ablaze with children inside in the early hours of Thursdsy morning.
Three people arrested in connection with the incident, two adult men and a juvenile, have been released pending a file to the DPP.
Gardaí and emergency services were called to attend a house fire in the Castlepark area of Ballybane shortly before 2am on Thursday morning.
A woman and four children were inside the house at the time of the arson, but managed to escape without serious injury.
Gardaí are appealing to anyone who was in the Castle Park area yesterday evening and who may have observed a black four door Volkswagen Golf to make contact with them.
An Garda Síochána would like to talk to anyone who has video footage in this locality, including dash cam footage, covering a period from midnight and 1.30am.
Anyone with information is asked to contact Galway Garda Station on 091-538000, or the Garda Confidential Line 1800 666 111.