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.
Train vs plane: would you take a direct train between London and Geneva?
Eurostar is planning to run direct trains from Britain to Germany and Switzerland from the early 2030s. Would you favour the train over the plane? If not, why not?
Rhine could warm by up to 4°C by 2100, scientists warn
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The water temperature of the Rhine River could rise by up to 4.2° degrees Celsius by the end of the century due to the warming planet, scientists warn.
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The Federal Council wants to explore the possibilities of joining the European Union’s €800-billion rearmament programme without compromising Swiss neutrality.
Defence Minister Pfister stresses importance of Swiss mission in Balkans
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During a visit to the Balkans region last week, Swiss Defence Minister Martin Pfister met Swisscoy peacekeeping troops in Kosovo.
Premiere for Swiss Air Force on French National Day
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On July 14, the Swiss Air Force will take part in the traditional air parade in Paris to mark the French bank holidays with an F/A-18 fighter jet. This is a first for Switzerland.
Swiss launch competition for memorial to Nazi victims
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The victims of Nazi Germany are to be commemorated on the Casinoterrasse in Bern. A competition will be held to determine what the site will look like.
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The cantonal police of Graubünden in eastern Switzerland have arrested and convicted five cocaine dealers in Chur within a week.
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The Swiss business umbrella organisation Economiesuisse and the employers' association broadly support the package of agreements negotiated with the European Union.
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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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