Bratislav Zivkovic, the commander of the Chetnik paramilitary force in Serbia, has been arrested on suspicion of organizing a group of Serbs who joined Russia-backed separatists in their war against Ukraine's government, RFE/RL reported that citing Serbia's Interior Ministry.
"The suspect will be detained for up to 48 hours and he will be brought to the competent prosecutor's office along with the criminal charges,” the ministry told RFE/RL.
Zivkovic is under investigation in Ukraine for participating with six Serbians on the side of the separatists. Ukraine's prosecutor-general Yury Lutsenko is investigating charges that the Serbians participated in separatist attacks on government forces in the regions of Donetsk and Luhansk as part of an extreme right-wing organization called Unité Continentale.
Zivkovic, 42, is also reported to have joined Russian forces that took control of Crimea when Moscow illegally annexed Ukraine's peninsula in 2014.
Earlier, it was reported that the group of the mercenaries from Serbia arrived in occupied Donbas and joined militants of Donetsk People’s Republic (DPR). The group was headed by Deian Berych with the codename ‘Deki’ that came to Donbas for many times and fought as the member of the militants’ groups.