US President Donald Trump's MAGA movement is cosying up to France's far right as part of an ideological offensive abroad since his return to office, with French authorities worried about its influence ahead of key elections.

The warning comes as far-right parties are on the march across Europe, including in France, where the National Rally (RN) party sees its best shot at winning the presidency in 2027.

While the French authority in charge of digital interference has not detected any coordinated campaign from the "Make America Great Again" (MAGA) sphere, there is "real concern" about its influence on domestic politics, a security source told AFP on condition of anonymity.

As part of that influence, Kevin Roberts -- president of the powerful Heritage Foundation and a key influence on Tru

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