US porn mogul Larry Flynt, best known as the publisher of Hustler Magazine and an outspoken free-speech advocate, died at his Los Angeles home Wednesday aged 78, according to media reports. His brother Jimmy Flynt confirmed the death to the Washington Post but did not cite a specific cause. Celebrity outlet TMZ, which broke the news, said Flynt had died from heart failure. Flynt's representatives did not immediately respond to AFP request for confirmation. amz/ec