Two members of An Garda Síochána were hospitalised and 23 arrests were made during a second night of public disorder in Dublin on Wednesday.
One garda was struck on the head with a bottle and another suffered an injury to their arm and shoulder.
Gardaí said in a statement late on Wednesday night that 23 individuals were arrested, mainly for pubic order offences. The disturbances were mainly carried out by young adult men and teenagers, the force said.
Members of the public threw masonry, flares, glass bottles and wooden planks at members of the force near the Citywest Hotel in Saggart, Co Dublin, which is used to house asylum seekers.
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Approximately 500 people were estimated to have taken part in the disturbances.
More than 300 members of the force were deployed to deal with the disturbances. The Garda water cannon was on standby but not its use was not deemed necessary.
In a statement Minister for Justice Jim O’Callaghan praised An Garda Síochána for its response to “thuggish violence” in the area.
Those arrested “will be charged, named and dealt with relentlessly by our criminal justice system”, he said.
The public order unit set up a cordon at the junction at Garter Lane and Citywest Drive. A mounted unit and a dog unit attended the scene with a garda helicopter providing air support.
It is the second night of violence in the area following an alleged sexual assault on a 10-year-old girl in the vicinity of the hotel in the early hours of Monday morning.

Earlier, Garda Commissioner Justin Kelly said there will be a “robust response” to any continued disorder following a night of violence on Tuesday..
Mr Kelly said a further gathering outside the hotel had been proposed on social media.
A number of public transport services to the area have been suspended again including the Luas red line between Belgard and Saggart and the number 69 Dublin Bus.
Police were attacked with missiles and fireworks after violence flared outside the hotel on Tuesday night. A Garda vehicle was also set on fire during the unrest.
A woman Garda member injured during the violence has since been discharged from hospital.
Mr Kelly, who visited the scene earlier on Wednesday in the aftermath of the initial violence, told reporters on Wednesday he is “determined” that further people will be “brought before the courts to face justice”.
[ Ninety minutes of madness: How the Citywest riot exploded and then was quelledOpens in new window ]
He said the disorder on Tuesday night was not a peaceful protest.
“I can promise that we will have a robust response again to any further disorder.”
Nearly 300 members of An Garda Síochána were on duty in response to the disorder.
This included more than 125 uniformed gardaí, 150 members of the public order unit and a water cannon, which was not ultimately used. Mounted and dog units also attended, supported by members in the air support unit.
A senior investigating officer has been appointed to probe the incident.

On Wednesday morning, shattered glass, a torn-down public bin and piles of bricks lay strewn across Garter Lane outside the centre.
A few metres away, the Garda van set alight by a mob the night before was being removed by a tow truck.
The disorder on Tuesday night involved up to 1,000 people, with six arrested following the disturbances.
On Wednesday afternoon, Taoiseach Micheál Martin praised gardaí for their “bravery, courage and professionalism” in dealing with the riot in Citywest on Tuesday night.
Mr Martin said in the Dáil, gardaí “come from our community and are there to protect us all”. It “beggars belief” that people would “articulate such vile abuse” and “then attack them in a very serious way”, he said. – Additional reporting PA