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
Clips of Swansea from the 1950s and 1960s are proving a hit on social media with 30,000 views since they were published last week.
Gwent Police are appealing for information following a fatal crash at Junction 2 of the M48 in Chepstow.
Warnings aplenty in the forecast for the next few days I'm afraid! Strong winds and heavy rain combining to make it rather miserable!