The Lucerne justice authorities had opened an inquiry against the man following reports that the imam advised followers to discipline their wives with physical violence if they disobey.
The incident allegedly occurred during a speech at a Friday prayer session in August.
The imam was briefly detained by police for questioning pending a legal investigation. The umbrella group recommended that the speeches at a mosque be recorded and kept for at least 12 months.
It is the latest case involving controversial imams at mosques in Switzerland.
Earlier this week, the highest court confirmed a decision not to renew the residence permit of an imam working in eastern Switzerland guilty of domestic abuse.
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Muslims with roots from many different countries gather for Friday prayers at the Keyser mosque in Ostermundigen, a commune on Bern’s doorstep.
Swiss foreign minister backs Berset at Council of Europe
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Cassis described Berset as the "ideal candidate" to help the Council realise its aim of ensuring security and peace in Europe.
Gay conversion therapy banned in Swiss canton of Valais
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On Thursday, the canton approved a new Health Act which includes a ban on therapies aimed at changing sexual orientation or gender identity.
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Some aspects of pro-Palestine sit-ins have gone too far, but the right to protest and debate must be upheld, the student association has said.
Swiss LGTBIQ helpline: attacks more than doubled in 2023
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Three organisations jointly operating a helpline have called for more awareness, action and funding to address discrimination.
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Switzerland's economy grew slightly at the start of 2024, with growth in the service sector contrasting with weak growth in industry.
Swiss employment rate rises in first quarter of 2024
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The number of women and foreign nationals in employment increased particularly strongly, the Federal Statistical Office said on Thursday.
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The prayers of the imam of Biel, Abu Ramadan, call for the deaths of Jews, Christians, Hindus, Russians and Shiites. This man has been claiming benefits in Switzerland for 20 years.
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The Office of the Attorney General of Lucerne has opened an investigation into an Iraqi imam at a mosque in the town of Kriens.
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