How French PM's office sparked probe into Mediapart's sources in security aide affair

It was an intervention from the office of France's prime minister Édouard Philippe which caused the opening of an investigation into the source of secret recordings involving a former presidential aide, Mediapart can reveal. This investigation then led to an attempt by prosecutors to search Mediapart's office – which Mediapart prevented, citing laws designed to protect its sources. The prosecution authorities, meanwhile, are remaining silent about the information they received which caused them to start the probe. Fabrice Arfi, Antton Rouget, Matthieu Suc and Marine Turchi report.

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The decision by Paris prosecutors to start an investigation into confidential tape recordings involving a former presidential aide – a probe which led to an attempt to search Mediapart's offices - came after an intervention by the prime minister's office, Mediapart can reveal.