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The international sweep included arrests in 12 countries across Europe and the Americas. The agency said there were also dozens of other suspects.

By Lynsey Chutel

Reporting from London

Twenty people in Europe, the United States and South America have been arrested as part of an investigation into an international network that produced and distributed child sexual abuse material, Interpol said on Friday. The policing organization said the network was also thought to extend to Asia and the Pacific region.