The man was arrested in Ipswich this morning.
The Serious Organised Crime Agency says it is the first arrest as part of Operation Pallial, which last November started investigating recent allegations relating to historic child abuse in North Wales.
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Hannah is in Carmarthenshire finding out what is happening at the National Botanic Garden of Wales 15 years after it first opened its doors.
A prize-winning pooch from Bala caused a stir at this year's Crufts competition after going to the toilet in the arena.
A cloudy night through many central and western parts, clearer skies at times in the east. A mild night with brisk southwesterly winds.