Spain – Feb 27

The Spanish police have arrested eight Spaniards accused of fighting with pro–Russian separatist groups in the Ukrainian regions of Lugansk and Donetsk in 2014.  According to the Spanish Ministry of the Interior, their activities while in Ukraine may constitute crimes that compromise the peace and integrity of the Spanish state.  This is the first police operation regarding foreign fighters in Ukraine to occur in Europe. Source: Ministry of the Interior of Spain