It comes after a cyclist, aged in his 80s, was discovered unresponsive on a road in Batterstown, Ballivor last Friday.

He was taken to Connolly Hospital in Blanchardstown where he was pronounced dead.

On Wednesday, gardai arrested a man in his 40s.

He can be detained for up to 24 hours.

A vehicle has also been recovered by gardai.

Investigating gardai at Trim Garda Station continue to appeal to the public for information.

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