Gardaí in Dublin have begun an investigation after a man was assaulted on a Dublin Bus.
It is understood the investigation comes after a gang of youths attacked the man on the Bus which was travelling on the Naas Road, at approximately 5:45pm on Monday evening.
In footage which has been shared online, one of the youths can be seen repeatedly headbutting and punching the man.
Garda say that they were alerted to the incident on Monday evening, and have launched an investigation.
They also say they are appealing for witnesses or for anyone with any information to come forward and contact them at Clondalkin Garda Station on 01 6667600, The Garda Confidential Telephone Line 1800 666 111 or any Garda Station