Postal bus fire in Switzerland kills six in suspected arson attack, police investigate passenger self-immolation
Witnesses report man poured fuel over himself and ignited blaze on March 10 bus in Kerzers, Fribourg, as nation reels from second major fire tragedy in three months
GENEVA — March 11, 2026 — A fire that engulfed a postal bus in the western Swiss town of Kerzers on March 10, 2026, killed at least six people and injured five others in what police believe was a deliberate act, with witnesses reporting that a male passenger set himself alight after pouring petrol over his body .
The blaze erupted at approximately 6:25 p.m. local time on Murtenstrasse in the centre of Kerzers, a town of approximately 5,000 residents in the French-speaking part of Fribourg canton, about 25 kilometres west of the capital Bern . The bus, operated by PostBus—the distinctive yellow public transport service affiliated with the national postal service—was travelling from Düdingen to Kerzers when the incident occurred .
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When emergency services arrived at approximately 6:35 p.m., they found the vehicle completely engulfed in flames, with firefighters launching immediate rescue and extinguishing operations while authorities established a security perimeter around the site .
Casualties and emergency response on March 10
Fribourg cantonal police confirmed on March 11 that six people died in the March 10 blaze, though authorities have not yet disclosed the total number of passengers on board at the time of the fire . Five others were injured: four passengers and one paramedic who was part of the emergency response .
Three of the injured are in critical condition and were transported to hospitals by ambulance and a REGA rescue helicopter on the evening of March 10 . Two others were treated at the scene and did not require hospitalisation, police said .
The identification of the victims is expected to take several days, with authorities warning on March 11 that the DNA identification process will be lengthy regardless of the number of victims. “The DNA process will take time regardless of the number of victims. It’s simply the nature of the procedure,” said Romain Collaud, a member of Fribourg’s cantonal government responsible for security and justice .
The burned-out vehicle was removed overnight on March 10-11, and traffic in the area returned to normal as of the morning of March 11 .
Investigation into deliberate act
Police opened a criminal investigation immediately following the March 10 incident and are pursuing the possibility that the fire was started deliberately. Frédéric Papaux, a spokesperson for Fribourg cantonal police, told Swiss broadcaster RTS on March 11 that “people near the bus, as well as those inside it, spoke of someone who may have acted intentionally with an incendiary device” .
Another police spokesperson, Christa Bielmann, provided further detail to Swiss broadcaster SRF on March 11: “There is information circulating that a person poured flammable liquid over themselves on the bus and that this caused the fire. But this is part of the ongoing investigation and is being clarified” .
Swiss media reports on March 11, citing eyewitnesses from the previous evening, indicated that a male passenger suddenly poured petrol over himself and ignited the fuel, triggering the catastrophic blaze . Police have emphasised that they cannot confirm these reports at this stage and that all information is being verified through witness interviews and forensic examination .
Martial Pugin, head of communications for Fribourg cantonal police, told RTS on the morning of March 11 that authorities have so far found “nothing to suggest a terrorist motive” . The public prosecutor’s office has opened a criminal investigation, and checks and enquiries are ongoing, including interviews with witnesses to establish the precise circumstances of the March 10 tragedy .
Romain Collaud confirmed on March 11 that an electrical fault can be ruled out as a potential cause, noting that the bus was equipped with an internal combustion engine rather than an electric powertrain .
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Official reactions on March 11
Swiss President Guy Parmelin expressed his shock and condolences in a message posted on X on the night of March 10. “It shocks and saddens me that once again people have lost their lives in a serious fire in Switzerland,” Parmelin wrote. “The circumstances are being investigated. I offer my condolences to the families of those who died in Kerzers. And my thoughts are with the injured and the rescue workers” .
The Swiss House of Representatives observed a minute of silence on March 11 in honour of the victims. Pierre-André Page, President of the House, expressed condolences on behalf of the chamber and in a personal capacity, noting that he comes from the affected canton. “It was with deep sadness that we learned of the fire on a PostBus in Kerzers on March 10,” Page said. “On behalf of Parliament and on my own behalf, I want to offer my sympathy and condolences to the families of the victims and wish the injured a speedy recovery” .
Stefan Engler, President of the Senate, emphasised on March 11 the sudden and shocking nature of the March 10 incident. “An ordinary moment—perhaps on the way home from work or school—took an unimaginable turn,” he said .
The cantonal government of Fribourg expressed its condolences to the families and relatives of the victims on March 11, describing the incident as a “tragic fire” .
PostBus and Swiss Post response on March 11
Swiss Post and its subsidiary PostBus issued statements on March 11 expressing profound shock at the March 10 tragedy. “Yesterday’s fire was a terrible tragedy. Like me, all PostBus and Swiss Post employees are shocked and shaken,” said Stefan Regli, CEO of PostBus and a member of Swiss Post’s Executive Board. “On behalf of the Board of Directors and the entire Group management team, I want to extend our sincerest condolences. Our thoughts are with the victims and their families” .
In a separate statement posted on its website on March 11, PostBus said: “We are deeply moved by this tragic news from March 10. Our thoughts are with the victims, the injured, and all their families” .
Regli confirmed that PostBus is in close contact with the authorities and is “doing everything in its power” to help clarify the circumstances of the March 10 incident as the investigation continues .
Authorities established a hotline for victims, relatives and potential witnesses at 0800 261 700 on the evening of March 10 .
National context: Second major fire tragedy
Tuesday’s March 10 bus fire is the second major fatal fire in Switzerland in just over two months, occurring against a backdrop of national grief following the New Year’s Eve blaze on December 31, 2025, at a bar in the ski resort of Crans-Montana that killed 41 young people .
The Crans-Montana tragedy on December 31, 2025, one of the deadliest fires in modern Swiss history, occurred when a fire broke out in a basement nightclub, with victims primarily aged between 20 and 30. Investigations into that incident are ongoing as of March 2026, with authorities examining possible causes including electrical faults and potential criminal negligence.
The recurrence of a fatal fire on March 10, 2026, so soon after the Crans-Montana tragedy on December 31, 2025, has deepened the sense of shock across Switzerland, a country not accustomed to such large-scale loss of life in civilian incidents.
Kerzers community in mourning on March 11
The town of Kerzers, with its population of approximately 5,000, has been plunged into grief by the March 10 tragedy. The incident occurred on a regular weekday evening, on a route typically used by commuters and residents returning from work or school .
Local authorities mobilised psychological support services on March 11 for witnesses, first responders, and community members affected by the tragedy. The town’s mayor was expected to address residents later on March 11, though no official statement had been released by midday .
The PostBus service, an iconic feature of Swiss public transport with its distinctive yellow vehicles connecting towns and rural communities across the country since 1906, holds particular cultural significance. Founded in 1906, the service is celebrating its 120th anniversary in 2026, making the March 10 tragedy particularly poignant for the company and its employees .
Latest developments on March 11
As of the afternoon of March 11, Fribourg cantonal police are scheduled to hold a press conference at 2 p.m. local time to provide updated information on the investigation and victim identification process .
Investigators continue to examine the scene and interview witnesses on March 11, with forensic teams working to determine the precise sequence of events on March 10. Authorities have not released any information about the identity or nationality of the alleged perpetrator as of March 11, nor have they confirmed whether the individual is among the deceased.
The investigation is being led by the Fribourg public prosecutor’s office, with support from specialist forensic units. Police have appealed for any witnesses who have not yet come forward to contact the dedicated hotline .
The fire that claimed six lives on a PostBus in Kerzers on March 10, 2026, has plunged another Swiss community into mourning, just months after the nation was devastated by the Crans-Montana nightclub blaze on December 31, 2025, that killed 41 young people. With investigators pursuing strong indications that the March 10 tragedy resulted from a deliberate act of self-immolation by a passenger, the focus on March 11 turns to understanding the circumstances that led to such a catastrophic event.
As forensic teams work to identify victims through DNA analysis—a process expected to take several days—and investigators interview witnesses to corroborate reports of a man pouring petrol over himself on March 10, Switzerland confronts uncomfortable questions about public safety and the vulnerability of everyday spaces. For the families awaiting news of loved ones, for the first responders who witnessed the inferno on the evening of March 10, and for a nation still processing recent trauma from December 31, 2025, the yellow PostBus that caught fire on an ordinary Tuesday evening has become the latest symbol of unexpected tragedy in a country unaccustomed to such loss.
With inputs from
AP via WIVB: A bus fire that killed 6 people could have been set deliberately, Swiss police say
SWI swissinfo.ch: Deadly Swiss bus blaze: what we know so far
Anadolu Ajansı: Swiss bus fire kills at least 6 in possible arson act
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