Authorities in Montenegro have detained 38 people, mainly Russian nationals, on suspicion of espionage, Montenegrin daily Pobjeda reported on Thursday, citing unidentified sources.
Earlier in the day, Prime Minister Dritan Abazovic said on a live broadcast of a cabinet ession that an "international operation" with foreign partners and the state prosecutor's office was underway to preserve the country's interests, but he did not elaborate.
Montenegro, a NATO member and an candidate for membership in the European Union, has joined international sanctions against Russia over its invasion of Ukraine. It has expelled Russian diplomats in the past.