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French prosecutors probing alleged foreign interference against hard-left candidates, minister says

Published by Global Banking & Finance Review

Posted on May 20, 2026

2 min read

· Last updated: May 20, 2026

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French Authorities Probe Foreign Interference Targeting France Unbowed Candidates

Investigation into Alleged Foreign Interference in French Municipal Elections

Background of the Interference Allegations

PARIS, May 20 (Reuters) - French Interior Minister Laurent Nunez said on Wednesday prosecutors are probing an alleged foreign interference campaign ahead of the March municipal elections that targeted a hard-left party, and pledged to release a full report into the operation.

Details of the Suspected Campaign

Involvement of BlackCore

Reuters last week revealed that French authorities suspect the campaign, which targeted at least three mayoral candidates from the France Unbowed (LFI) party, was carried out at least in part by an obscure Israeli firm called BlackCore. The campaign included deceptive websites and social media accounts alleging criminal behaviour, as well as disparaging digital ads.

Official Response and Ongoing Probe

Questioned by one of the victims, LFI lawmaker Francois Piquemal, Nunez said a probe was under way into the campaign, which he described as "extremely grave." 

Commitment to Transparency

Nunez also pledged to release in full a report from electoral safety authorities into the alleged operation, the day after satirical and investigative outlet Le Canard Enchaine reported that efforts were under way to bury the report.     

Unanswered Questions and Unverified Details

Reuters could ‌not independently establish who was behind BlackCore, verify where it was based, or find any reference to the company in Israeli corporate records.

BlackCore did not respond to repeated messages sent via its website and LinkedIn page - both of which were subsequently taken offline.

Reporting Credits

(Reporting by Inti Landauro and Gabriel StargardterEditing by Rod Nickel)

Key Takeaways

  • Prosecutors describe the operation as “extremely grave” and are pursuing a criminal probe involving defamation and election interference.
  • Targets included LFI mayoral candidates Sébastien Delogu, François Piquemal and David Guiraud, through deceptive websites, fake social accounts and smear ads.
  • Evidence links the campaign to an Israeli-linked network via Meta and other platforms; BlackCore’s digital presence has since disappeared.

Frequently Asked Questions

What is the French foreign interference probe about?
French prosecutors are investigating alleged foreign interference ahead of municipal elections, targeting hard-left candidates from France Unbowed.
Which party's candidates were targeted by the interference campaign?
Candidates from the hard-left France Unbowed (LFI) party were targeted.
Who is suspected to be behind the interference campaign?
Authorities suspect the involvement of an obscure Israeli firm called BlackCore.
What tactics were reportedly used in the campaign?
The campaign included deceptive websites, social media accounts with false allegations, and digital ads.
Did French authorities pledge transparency in the investigation?
Yes, the Interior Minister promised to release a full report on the investigation.

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