The official pointed to Tatarstan, a federal district in the Russian Federation, as the home of an allegedly U.S.—instigated separatist uprising.
NATO and Georgian troops are currently conducting military training exercises.
The U.S secretary of state said, "There is broad consensus among all the NATO members that there is no normalization of dialogue with Russia today."
Russia is one of the few countries to recognize South Ossetia as independent.
Russia has up to 5,000 military personnel operating inside the rebel Donbas.
Abkhazia and South Ossetia consider themselves independent from Tbilisi.
Over 1,000 pieces of equipment, including tanks and howitzers were also deployed.
After 40 years on stage, Paata Burchuladze is running to be Georgia's next prime minister.
South Ossetian rebels are planning a referendum next year.
The prosecutor has found evidence that could implicate both Russia and Georgia.
A deal on defense and customs makes the breakaway Georgian province part of Russia.