According to the preliminary information the owner of the dangerous load bought the inflammable mixture in a capsule for charges in a hunting shop. Experts on explosives say that the gunpowder could explode due to hot temperature or an impact, or both.
According to some witness reports, the bag with the capsule fell down when the tram was turning and then there was an explosion. Nine people got light burn injuries and were delivered to a city hospital.
The owner of the gunpowder is now giving testimonies in a police department.
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