A man in his early 50s has been arrested by gardaí investigating the murder of dissident republican Alan Ryan.
He is being held at Coolock Garda Station.
Ryan was shot dead on Grange Lodge Avenue in Clongriffin in September.
The 32-year-old who was from Grange Abbey Drive in Donaghmede, had served jail terms for IRA activities and gun possession.
Take a look back through the archives to mark 50 years since President John F. Kennedy's visit to Ireland
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Fire taken from the Eternal Flame at the graveside of John F Kennedy in Arlington will be brought to Co Wexford and a new monument in New Ross
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Centuries of history brought to life in 15 huge embroidered panels telling the epic story of the founding of New Ross, Co Wexford in 1207.
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