Police have targeted 17 people in raids in several European countries connected to a suspected jihadist network.
Among those arrested were six suspects in Italy, four in Britain, and three in Norway. Police say some of the suspects may have travelled to Syria or Iraq.
Italy’s Ansa news agency said the suspects were accused of international terrorism association.
The network was allegedly plotting to free its leader, Mullah Krekar, who is already in detention in Norway.