The man is also suspected of aggravated weapons offences, aggravated unlawful threats, aggravated domestic violence and two counts of aggravated child abuse, the Swedish Prosecution Authority announced.
It was during the night of Friday that two men and a woman were taken to hospital after a disturbance at a villa in Jönköping.
The men were seriously injured, one of them critically, while the woman was treated for minor injuries. The suspect was one of the injured, according to police.
According to the police, this is an "isolated incident" involving people who know each other.
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