Gardaí investigating the murder of a 32-year-old man in Dublin last week have arrested a man for questioning.

Declan O’Reilly was gunned down on the South Circular Road on Monday September 24th.

He was with his 11-year-old son at the time.

It is understood the victim was shot a number of times in the neck and head.

He was taken to St. James’ Hospital where he was pronounced dead.

A man in his 20s was arrested in the capital this morning.

He is being questioned at Kevin Street Garda Station under section 50 of the Criminal Justice Act.

He can be held for up to 7 days.

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