Chief of staff of France's Le Pen put under formal investigation

Jeff Pachoud | AFP | Getty Images

French presidential candidate and head of the far-right National Front party Marine Le Pen arrives on stage to give a speech on February 5, 2017.

The chief of staff of French far-right leader Marine Le Pen was put under formal investigation on Wednesday as part of a probe into alleged misuse of EU funds to pay parliamentary assistants, a judicial source said.

Catherine Griset had earlier on Wednesday been questioned by judicial police along with Le Pen's bodyguard, Thierry Legier, who was later released, according to the source.

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