Firefighters from Dun Laoghaire attended a fire close to a halting site on Burton Park in Leopardstown this afternoon.
A spokesman for Dublin Fire Brigade told Dublin Live: "Two fire engines attended the scene following a 999 call at 3.36pm. The crew remained on scene for approximately an hour.
"It is unclear at this stage what was on fire."
It is understood that no injuries have been reported in relation to this incident.
Dublin Live has contacted An Garda Siochana for comment.
People are reminded to dial 999 or 112 in an emergency.
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