By Rebecca Black, Press Association
Garda have arrested a man over a fatal shooting at a shopping centre in Dublin.
Father-of-two John Gibson was shot as he sat in his car close to Citywest shopping centre in September 2017.
The 29-year-old died of his injuries a short time later.
On Saturday morning, Garda arrested a man in his late 20s in relation to the incident.
A Garda spokesman said the suspect is being detained at Tallaght Garda Station.
This brings the total number of arrests to date over the incident to four.
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