The affected workers were given three months to file criminal complaints. On Wednesday, Zurich police confirmed that several complaints had been received, without giving an exact number.
Those who live in different cantons may have filed complaints with their local police. Prosecutors will now decide whether to lay charges of criminal negligence.
The event organiser said in June that none of the participants were forced to walk over hot coals and that it had waited for coals to cool to 500 degrees, which is lower than the 700 degrees normally considered safe for the activity.
Firewalking involves walking barefoot over a bed of hot embers or stones. It is practised in many parts of the world as a rite of passage or test of strength or courage.
Popular Stories
More
Climate change
Switzerland turns train tracks into solar power plants
In Switzerland more people are being referred to electrical therapies or psychedelic-assisted psychotherapy. Are there similar approaches where you live?
Living longer: What do you think about the longevity trend?
The longevity market is booming thanks in part to advances in the science of ageing. What do you think of the idea of significantly extending human lifespan?
Swiss foreign minister rejects mandatory referendum for EU deals
This content was published on
Swiss Foreign Minister Ignazio Cassis defended the government’s decision to make EU deals subject to an optional rather than a mandatory referendum.
Pro-choice and anti-abortion activists face off in Geneva
This content was published on
Anti-abortion Christian groups held a silent prayer in front of the Geneva train station on Saturday, to the whistles and shouts of pro-choice demonstrators.
Swiss army soldier seriously injured in accident on Simplon Pass
This content was published on
A member of the Swiss army was seriously injured on Friday while manoeuvring a self-propelled howitzer on the Simplon Pass.
Basel attempts world‘s largest over-60s disco before Eurovision Song Contest
This content was published on
It was billed as a world record attempt for the biggest over-60s disco of all time. But most visitors came to Basel to have fun.
Basel prepares 700 volunteers for the Eurovision Song Contest
This content was published on
Around 320 people took part in one of the two official information events for the Eurovision Song Contest (ESC) in Basel on Friday.
More Swiss soldiers involved in accidents during training in Austria
This content was published on
The Swiss army has reported various accidents involving Swiss soldiers during the exercise “TRIAS 25” in Austria. Some have led to hospitalisations.
Swiss court rules vegan meat substitutes can’t use animal names
This content was published on
Vegan meat substitutes may not bear animal names such as “planted.chicken” according to a ruling by the Swiss Federal Supreme Court.
Swiss cantons spared duty to create new traveller transit sites
This content was published on
Swiss cantons will no longer be formally obliged by the government to create new transit sites for the travelling community.
You can find an overview of ongoing debates with our journalists here . Please join us!
If you want to start a conversation about a topic raised in this article or want to report factual errors, email us at english@swissinfo.ch.