An explosion occurred at lunchtime on Tuesday while students and staff from a folk high school were cooking during an excursion to Lake Immeln.
Three women and one man were taken to hospital with burns. One of the women was seriously injured, while the others suffered minor injuries.
A report of causing bodily harm in connection with a workplace accident.
The report is made routinely. Then the investigation must show what happened, police spokesperson Eva-Lotta Hermansson-Truedsson tells Kristianstadsbladet.
