The incident took place at a licensed premises on Grafton Street in the early hours of Sunday morning.
Gardaí in Dublin are investigating a public order incident that took place on in the city centre in the early hours of Sunday 7 July.
Just before 1am, a large group of men attempted to enter a licensed premises on Adam Court off Grafton Street.
Following a public order disturbance with security personnel, the men ran from the scene onto Grafton Street.
Gardaí are aware that a number of patrons of licensed premises in the area were present in a designated smoking area and may have witnessed the incident.
As such, they have issued an official appeal to anyone who was present on Grafton Street or in the Adam Court area between 12.30am and 1.30am, particularly those who may have captured mobile phone footage, to come forward.
Gardaí are also keen to underline that contrary to some reports, investigating officers are satisfied at this stage that the incident has no connection to the Longitude festival that took place at Marlay Park over the weekend.
Witnesses with relevant information are urged to contact the Serious Crime Unit at Pearse Street Garda Station on 01 666 9000, the Garda Confidential Line on 1800 666 111 or any Garda Station.
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