WARSAW, Poland (AP) — Polish authorities on Friday arrested a far-right leader and plan to charge him with public incitement of hatred against Jews, officials said.

The Internal Security Agency arrested Jacek Miedlar, who is also a former priest, according to the agency and the prosecutor’s office in the western city of Wroclaw.

Stanislaw Zaryn, a spokesman for Polish security services, said on Twitter that Miedlar was arrested in connection with a manifesto that accuses Jews of betraying Poland when the country regained its independence in 1918.

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Miedlar is considered one of the most controversial and recognizable members of the extreme right in Poland and has a history of spreading anti-Semitism and Islamophobia.

In 2017 he was stopped from entering Britain where he had planned to attend an anti-Islam march.

Prosecutors investigated him a few years ago for calling Jews a “cancer” during a sermon but ultimately dropped that case.