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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Visitors to the centre can get a close-up look of the birds, which have been breeding in the area since 2004.
A public inquiry into undercover policing in England and Wales is to be formally opened today.
Teenage girls will be taught about body confidence, self-esteem and encouraged to get active.