Environment News Service: The worst bushfires in Australian history now blazing across Victoria have claimed the lives of at least 181 people and left 5,000 people others, Prime Minister Kevin Rudd told the federal Parliament today. The death toll is expected to rise as police and rescue workers continue to recover and identify bodies. Police officials now say that most of the fires were not intentionally set, but the hunt continues for arsonists believed responsible for fatal fires in Gippsland, east of …