Gardaí were called to a beach in Dublin yesterday after large crowds gathered and reports of a public order incident.
The Public Order Unit and uniformed gardaí attended the scene on Burrow Beach.
Gardaí said they kept a presence there until large crowds that had gathered dispersed safely.
No arrests were made and gardaí said enquiries were continuing.
A Dublin councillor, who said it looked like a massive brawl yesterday, has called for gardaí to be "proactively seizing alcohol" on beaches.
Labour Councillor Brian McDonagh said there are bye-laws preventing alcohol on beaches but what is needed is "aggressive seizure of alcohol on beaches".
Speaking on RTÉ's Morning Ireland, Mr McDonagh said there has been increasing problems at the beach over the last number of years that can be put down to anti-social behaviour and overcrowding.
"There have been instances where people have been blocked in and also having difficulties of access for emergency services.
"Anti-social behaviour is the second main one and that is predominantly related to alcohol on the beaches."
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Cllr McDonagh said this has worked before in Portmarnock and there should be a mechanism when beaches are overcrowded to have extra gardaí on patrol.
"It looked like a massive brawl there yesterday, this can and does happen unfortunately every year in a different location."
"If you had a concert or a street festival with that many people, you would have dedicated resources to it.
"I know the gardaí have been proactive, we have been working with them and the response seemed reasonably quick."
He said it needs to be the case that people know not to bring alcohol to the beach as they know it will be seized.
Gardaí said that, as part of Operation Irene, high-visibility patrols are set to continue in the area for the summer months.
Gardaí in Raheny appealed for anyone with information to contact them at Raheny Garda Station on 01 6664300, or the Garda Confidential Line on 1800 666 111.
