STOCKHOLM (AP) — The victim of a deadly sword attack at a school in central Sweden was a 17-year-old girl, police said Saturday.An 18-year-old man armed with a sword carried out the attack at the Brinell School in Fagersta, northwest of Stockholm, while classes were in session on Friday. One person was killed and three others were wounded, two of them severely. Police said the suspect had been arrested and that the case was being investigated as murder and attempted murder. The police said they have no reason to believe there were more perpetrators. Vastmanland County, where the town is located, said that the two seriously injured boys were ages 12 and 17. A third person, also under 18, was slightly injured and has been discharged from a hospital, Swedish news agency TT reported.On Saturday morning, around 70 people gathered at the memorial site that the municipality prepared, carrying flowers and lighting candles, TT reported.

There was no official information on the attacker’s possible motive. Sweden’s national police said that investigators have already carried out two house searches in connection with the suspect. Many witnesses were expected to be interviewed as part of the investigation. The region went into a state of emergency on Friday, but it had ended by Saturday.