28 year old Brazilian national, Thiago Cortes, was killed when his bike was hit by a car in the North Wall Quay area.
A teenager has been arrested in connection with the death of Thiago Cortes.
The Deliveroo worker in his 20's died after a crash in the North Wall Quay area at around 10.30pm on the 31st of August.
He passed away in hospital on the 2nd of September.
The teenage boy is being held in Store Street Garda station.
Gardai say investigations are ongoing.
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