Georgian and Russian leaders have traded barbs as Georgia marked the fifth anniversary of the countries' brief 2008 war over the separatist territory of South Ossetia. The government is holding a series of sombre events on Thursday, including a wreath-laying ceremony at an army cemetery in Tblisi, and a military parade in the town of Gori, which was bombed and briefly occupied by Russian forces. Al Jazeera's Jonah Hull reports.
