Serbian former fighter in Ukraine and self-styled head of the unregistered “Chetnik movement”, Bratislav Zivkovic has been arrested in Serbia and is facing investigation for “organising participation in a war or armed conflict in a foreign country”.

The Higher Prosecutor’s Office in the town of Krusevac said that Zivkovic had been interrogated by the prosecutors and placed in custody.

“In the interest of the investigation against B.Z, for now we are not able to provide more information,” the Prosecutor’s Office told BIRN.