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.
More top news
An orange lobster has been caught off Wales - a one-in-30-million chance. Usually lobsters only turn orange when cooked.
A man has been arrested in connection with alleged modern slavery offences during a major police operation on Deeside early this morning.
A whole new weather story to tell now, as it turns milder but much more unsettled into the Bank Holiday weekend.