NEW : Georgian TV release video of man saying ` ` Russia will come '' A third person -- Zaza Mushkudiani , the head of the Georgian ranger battalion -- was also being investigated , the ministry said , but it was unclear whether he was in custody . Russia denies involvement , accusing Tbilisi of ` ` yet another anti - Russian prank '' Authorities believe mutiny intended to disrupt NATO exercises this morning in Georgia . Russia says it disagrees with NATO plans to disrupt exercises .
NEW : Georgian TV release video of man saying ` ` Russia will come '' Russia denies involvement , accusing Tbilisi of ` ` yet another anti - Russian prank '' Authorities believe mutiny intended to disrupt NATO exercises this morning in Georgia . Russia says it disagrees with NATO plans to disrupt exercises .