Law enforcement agencies in Austria, the Netherlands, Poland, Bosnia and Herzegovina, and Serbia joined the UK's National Crime Agency and German police in taking action.
It's thought the network brought hundreds of migrants through the Balkans and then into Eastern Europe, before they were taken to Germany and the UK.
NCA's Director of Investigations Jon Denley says an Iraqi national was detained in the UK's Midlands area.
IN: 'The network...
OUT: ...extradition.'
DUR: 14 seconds
http://www.fsnradionews.com/feeds/1121migrants-denley1.mp3