Interior Ministry says 26 Montenegrin citizens travelled to fight in Syria and five to Ukraine since 2012, of whom ten have since returned from Syria and five from Ukraine.
Over 50 Montenegrins who disappeared in the wars in the former Yugoslavia are still listed as missing - and experts say the authorities must improve cooperation with the country’s neighbours if their graves are to be found.
Attackers broke the windows of an Islamic community building in the town of Pljevlja, while Montenegrin Bosniaks complained of being targeted in the wake of elections won by opposition blocs that include pro-Serbian parties.
Evidence in terrorism cases is proving difficult to find, while experts warn that the reintegration and rehabilitation of foreign fighters is an even greater challenge.