Massive brawl involving up to 100 youths by the sea

A Garda spokesperson confirmed that "a public order incident" occurred in the popular tourist spot.

However, no arrests were made.

There was a large Garda presence at the scene, where a “large groups of youths” confronted each other on Howth Harbour.

Iarnrod Eireann responded to a garda request this evening, whereby trains did not stop at Sutton station.

A number of people took to Twitter to report what they'd seen.

One user tweeted: “Just saw a kid steal a phone from 100 other kids in Howth. They caught him. It did not end well.”