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GEORGIA, TSKHINVALI : A Russian NTV channel television grab shows South Ossetian troops firing at Georgian troops from an unnamed location not far from Tskhinvali, in the Georgian breakaway South Ossetia region on August 7, 2008. Fighting in Georgia's rebel region of South Ossetia left up to 20 people wounded, officials said as a Russian envoy arrived in Tbilisi in a bid to ease tensions.