South Ossetia 8 August that by taking control of Tskhinvali, Tbilisi wanted to demonstrate that Georgia wouldn't tolerate killing of Georgian citizens. According to Russian military expert Pavel Felgenhauer, the Ossetian provocation was aimed at triggering the Georgian response, which was needed as a pretext for premeditated Russian military invasion. According to Georgian intelligence, and several Russian media reports, parts of the regular (non-peacekeeping) Russian Army had already moved to South Ossetian territory through the Roki Tunnel before the Georgian military action. Russia accused Georgia of "aggression against South Ossetia", and launched a large-scale land, air and sea invasion of Georgia with
South Ossetia the center of South Ossetia, and the plateau that's also roughly in the center of South Ossetia is called Iberia. The Greater Caucasus Mountain Range forms the northern border of South Ossetia with Russia, and the main roads through the mountain range into Russian territory lead through the Roki Tunnel between South and North Ossetia and the Darial Gorge. The Roki Tunnel was vital for the Russian military in the 2008 South Ossetia war because it is the only direct route through the Caucasus Mountains. South Ossetia covers an area of about , separated by the mountains from the more