A weekly round-up of the latest health and safety prosecutions, including a cement company fined £1 million after a worker was crushed to death at a cement bagging plant, a groundworks company fined after a worker was seriously injured when a dumper truck overturned, an academy trust fined after a site supervisor fell from a school roof, an illegal gas fitter given a suspended prison sentence after carrying out dangerous and sub-standard gas work, a chemical logistics company fined after a warehouse supervisor died following a fall and a food manufacturer fined after workers were exposed to hazardous dust and manual handling risks at a factory.