A man accused of travelling to Ukraine to recruit support for pro-Russian rebels has led a G20 rally calling for the end of democracy in Russia. About 30 Australian Cossacks, surrounded by almost as many police, marched through Brisbane's South Bank on Saturday, declaring their support for their "steel ruler", Russian President Vladimir Putin. The group's leader, Simeon Boikov, reportedly travelled to the Ukraine this year in support of pro-Russian rebels and bragged on his Facebook page about entering the war zone. Mr Boikov denied the media reports and said he was seeking defamation action. "They've blamed everybody on the...