A shed on the site went on fire on Sunday night shortly after 7pm.
Gardaí have confirmed that a technical examination has been completed, following a fire at the former Kill Equestrian Centre.
No arrests have been made at this time, however Gardaí say criminals investigations are ongoing .
Six people are continuing to protest outside the gates of the former Equestrian Centre in Kill this morning, where up to 350 Ukrainian refugees are to housed.
Th 'Concerned Residents of Kill' action group have said they will protest at 9.30am and 7.30pm each day.
Last night, up to 30 people gathered for a peaceful demonstration at the same place.
Gardaí confirm that they are continuing to engage with all parties.
It is within the remit of An Garda Síochána to facilitate peaceful protests.

INMO Suspend Work-To-Rule At Naas General Hospital
Kfm Obituary Announcements (Saturday)
Sharp Rise In M9 Collisions With Garda Call-Outs Up Year-On-Year
Councillor Seeks Clarity On How Often Nightclubs and Late Bars In Naas Are Inspected For Fire Risks
Unpaid Eight-Month Work And Training Placement For Adults With Disabilities Branded "Extremely Unfair"
Department Of Education Defends Kildare SNA Cuts Amid Claims Of Reduced Need At Some Schools
Naas Nurses Threaten Escalation As Staffing Row Deepens