A masked swordsman who killed a teacher and a student at a school in Sweden "selected his victims" based on their colour, according to official reports.
Thord Haraldsson, the lead investigator in the case, told a news conference that having reviewed security footage from the school "everything points to this being a hate crime" with colour appearing to have played a key role in how victims were chosen.
He said: "He selected his victims and attacked the dark-skinned ones and left the light-skinned ones alone."
The 21-year-old attacker was shot dead by police after carrying out an attack on Kronan school in the Swedish town of Trollhättan, killing two and wounding others.
The two surviving victims of a deadly sword attack at a school in Trollhattan, Sweden "hover between life and death", a doctor has said.
In a statement to reporters at Norra Alvsborgs Lanssjukhus hospital, Dr. Lars Spetz said the two, a student and a teacher, were stabbed in the abdomen, liver and chest.
"They hover between life and death," Dr Spetz said.
Two of the victims from a deadly sword attack in Sweden are in a "serious but stable" condition in hospital, according to local media.
Radio Sweden have tweeted: "Hospital statement: two victims still being treated in hospital are in a "serious but stable" condition."
Hospital statement: two victims still being treated in hospital are in a "serious but stable" condition. #Trollhättan
One teacher and a student were killed in the attack. The masked assailant, thought to be a 21-year-old local man, was shot by police and later died in hospital.
A chilling photo of man who launched a deadly sword and knife-attack on a Swedish school has emerged online, showing him posing with two students in a hallway minutes before he started his rampage.
The 21-year-old man is seen dressed in black with a military helmet and sword and had his arm round one of the children.
Swedish newspaper Dagens Nyheter say the two children - said to be 13 and 14 - thought the man's outfit was part of a Halloween prank.
The King of Sweden, Karl XVI Gustaf, has offered his condolences to those affected by a sword-attack on a school.
"Sweden is in shock. Our thoughts are with those affected and their families," King Gustaf said in a statement.
Swedish king, Karl XVI Gustaf statement: "Sweden is in shock. Our thoughts are with those affected and their families.” #Trollhättan
The man who launched a deadly sword attack at a school in Sweden doesn't appear to have a link to the school, police say.
Officers say the man - who was shot by police during the attack and has since died - has been identified as a 21-year-old resident of Trollhättan, the town where the school is situated.
A student and a teacher were killed in the incident and at least two other people have been injured.
According to some local media reports, students at the school initially believed the sword-wielding man was part of a Halloween prank.
Swedish prime minister Stefan Löfven is to visit the town of Trollhättan today to offer his sympathy to the those affected in a deadly knife attack on a school in the town.
In an official statement, Mr Löfven called the incident a "dark day for Sweden" and said he will ensure victims are given all the support they need.
This is a dark day for Sweden. My thoughts go out to the victims and their families, pupils and staff, and the entire community that has been affected.
There are no words to describe what they are going through right now.
We share in their grief and we will ensure that they are given all the support they need.
The man who carried out a sword and knife attack on a school in Sweden has died, Swedish police have said.
A teacher and a student have died after an attack by a knife-wielding man on a school in southern Sweden.
The man was shot by police following the attack at the Kronan school in Trollhattan, near Goteborg, Sweden's second-largest city.
Two others, a student and a teacher, were also injured in the attack, which took place in the school's cafe area.
Police arrived to find one male teacher already dead and two male students, aged 11 and 15, and another male teacher seriously wounded. One of the students died later at the hospital.
A police spokesman told the Associated Press the attacker had a large knife, possibly two, including what may have been a sword. He said authorities knew the attacker had killed the teacher "because of the wounds he had".
Police fired two shots, one of which hit the attacker, a 21-year-old man from Trollhattan. He is also in a serious condition and has gun wounds to his lower chest.
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