Centre finds possible election interference

Poland said on Wednesday it had uncovered what could be an attempt to interfere in its presidential election campaign using advertisements on Facebook that may have been financed from abroad, an assertion the social media platform disputed.

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European governments have been on high alert for signs of electoral interference since Romania cancelled an ongoing presidential election in December due to allegations of Russian interference, which Moscow denied.

The first round of the Polish election takes place on Sunday, pitting liberal Warsaw Mayor Rafal Trzaskowski, a senior member of the ruling Civic Platform party, against historian Karol Nawrocki, who runs Poland's Institute of National Remembrance, and far-right nationalist Slawomir Mentzen.

"The NASK Disinformation Analysis Center has identified political ads on the Facebook platform that may be financed from abroad. The materials were displayed in Poland," said Nask, the national research institute dealing with cybersecurity.