Explosion in Nussbaumen AG Killed men were handling illegal fireworks

Dominik Müller

20.6.2024

A week ago, there was an explosion in an underground parking garage in Nussbaumen AG.
A week ago, there was an explosion in an underground parking garage in Nussbaumen AG.
Screenshot / Twitter

The chief public prosecutor's office in Aargau has released new details about the explosion in Nussbaumen AG. The two fatalities were handling homemade, illegal pyrotechnics.

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  • A week ago, two men died in an explosion in Nussbaumen AG.
  • The two fatalities were handling illegal pyrotechnics.
  • The Aargau cantonal police have arrested a man in connection with the explosion.

According to investigations, the two men killed by the explosion in Nussbaumen AG were allegedly unqualified users of home-made, illegal pyrotechnics. This was announced by the Office of the Attorney General of the Canton of Aargau on Thursday.

On the one hand, this type of pyrotechnics must be stored correctly. On the other hand, a permit and special expertise are required both for importing it into Switzerland and for handling it, wrote the Office of the Attorney General of the Canton of Aargau in a press release on Thursday.

Due to the special situation, initial findings from the investigation by the Baden public prosecutor's office were published. These revealed that the deceased men were probably very enthusiastic about pyrotechnics and presumably even attempted to manufacture their own products. This was despite the fact that they had not been trained to do so, according to the report.

Police have arrested man

The Aargau cantonal police have arrested a man in connection with the explosion. According to the police, he is one of the tenants of the hobby room filled with fireworks.

The 33-year-old Portuguese man was an acquaintance of the two men killed in the explosion, according to the public prosecutor's office on Thursday. He had reported to the emergency services at the scene of the accident and said that he was one of the tenants of the hobby room.

In order to question him and to prevent the possible destruction of evidence, the man was temporarily arrested. No pre-trial detention has been ordered, the public prosecutor's office announced on Thursday in response to an inquiry from the Keystone-SDA news agency.

As part of the investigation, the Baden public prosecutor's office is now clarifying whether the man was also involved in illegal fireworks and whether he was involved in the danger posed by the explosive substances.

Experiments in a hobby room

Last Thursday evening, these experiments in a hobby room are likely to have led to the unintentional ignition of the substances, writes the chief public prosecutor's office. This probably led to a chain reaction with the large quantity of pyrotechnics in the room.

According to the Attorney General's Office, the unplanned combustion of the large number of fireworks produced gas that could not spread further in the enclosed space. The pressure created by the process subsequently discharged towards the walls of the room and along the large ceiling of the adjacent underground car park.

According to the forensic and forensic investigation so far, the explosion originated in a room in the underground parking garage where the two later victims, a 43-year-old Italian and a 24-year-old Swiss man, were staying at the time of the accident. Eleven people suffered injuries.