One other teen is in custody while a teenage boy was due before the courts again this morning.
A third teenager has been arrested in relation to an an attack on a US tourist in Dublin last week.
One other teen is in custody while a teenage boy was due before the courts again this morning.
Last week, Stephen Termini was attacked by a group of youths as he left his accommodation in Dublin's North Inner City.
The American tourist was on a dream trip to the capital.
Following the assault, the US embassy issued a warning to people coming to Ireland to be wary of their surroundings.
A teenage boy was arrested and charged with assault causing harm to Mr. Termini over the weekend.
He's due back in the Children's Court this morning.
In a separate development a second teenage boy has been arrested in relation to this alleged assault today.
Now, a third teen has also been arrested.
They're being questioned at North Dublin Garda Stations.

Sharp Rise In M9 Collisions With Garda Call-Outs Up Year-On-Year
Councillor Seeks Clarity On How Often Nightclubs and Late Bars In Naas Are Inspected For Fire Risks
New Figures From CSO Reveal How Much International Protection Applicants Earn Compared To Average Worker In Ireland
Unpaid Eight-Month Work And Training Placement For Adults With Disabilities Branded "Extremely Unfair"
Department Of Education Defends Kildare SNA Cuts Amid Claims Of Reduced Need At Some Schools
Naas Nurses Threaten Escalation As Staffing Row Deepens
Driving Tests Face Disruption As RSA Testers To Strike Next Week
Jury Delivers Not Guilty By Reason Of Insanity Verdict In Ballyfin Demesne Strangling Case