What happened is unclear, but police confirm that the man, who was in his 50s, died in hospital after the incident.
Another person, who was in his 40s, is said to have been injured.
Both were injured in a knife attack, police spokesperson Elin Andersson said on Saturday night.
Two people - the injured man and a man in his 30s who was also at the scene - were arrested. On Saturday, police announced that both men had been arrested after questioning and are suspected of murder.
The men will be questioned further during the day.
Corrected: An earlier version stated the wrong crime classification.
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