A Syrian man is suspected of stabbing his wife and three others in a series of attacks near a school in Norway on Friday.
One of the victims is in a critical condition, police have said.
Brave citizens overpowered the man and help him until officials arrived at the scene.
The incident happened close to a church and a secondary school in Nore, Numedal in south-east Norway, which is a town near Oslo.
The school confirmed on its website it was working with officials after reports youngsters witnessed the attacks.
"We confirm that it has been an incident at the school," Numedal upper secondary school said.
"The police have control over a perpetrator. Health personnel and police are at the school and take care of follow-up of the incident."
Police at first said the stabbings were random attacks, but later clarified that there was “a family relationship” between the assailant and at least one of the victims.
“This is a family from Syria, and the perpetrator and one of the injured are married,” police inspector Odd Skei Kostveit said in a statement.
Police said the suspect was a man who had received a restraining order in December following allegations of domestic violence.
The suspect, who also was injured, was held on suspicion of “grievous bodily harm,” police said.
Chief of Police Håvard Revå said the police were called shortly before 9am and a suspect was arrested 10 to 15 minutes later.
Three air ambulances were reported to be at the scene.
Police spokesman Tor Richard Jansen confirmed that civilians overpowered the alleged assailant and “handed him over to firefighters” who arrived before the police.
William Scott, who was in the area delivering goods, told the VG newspaper he saw an injured woman lying on the ground.
“At first I thought it was a collision because there was a large pool of blood on the ground," he said.
Mayor Jan Gaute Bjerke told local media that children were inside a primary school when it happened.
"The current situation is unclear, so I can not say anything more at the moment," he added.
News stations TV2 cited a witness saying bleeding victims came running from behind a convenience store.
“Such acts of violence are serious and despairing,” Norwegian Justice Minister Emilie Enger Mehl said in a statement.
Nore is close to Kongsberg, where five people were fatally stabbed and four wounded last October when Espen Andersen Bråthen attacked strangers with a bow and arrows and knives.
He has pleaded guilty in a trial that started this week.
He also faces 11 counts of attempted murder for the attack in Kongsberg, a former mining town of 26,000 people.
Get Out
Director: Jordan Peele
Stars: Daniel Kaluuya, Allison Williams, Catherine Keener, Bradley Whitford
Four stars
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UAE currency: the story behind the money in your pockets
UAE currency: the story behind the money in your pockets
White hydrogen: Naturally occurring hydrogen
Chromite: Hard, metallic mineral containing iron oxide and chromium oxide
Ultramafic rocks: Dark-coloured rocks rich in magnesium or iron with very low silica content
Ophiolite: A section of the earth’s crust, which is oceanic in nature that has since been uplifted and exposed on land
Olivine: A commonly occurring magnesium iron silicate mineral that derives its name for its olive-green yellow-green colour
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Destroyer
Director: Karyn Kusama
Cast: Nicole Kidman, Toby Kebbell, Sebastian Stan
Rating: 3/5
UAE release: January 31
Volunteers offer workers a lifeline
Community volunteers have swung into action delivering food packages and toiletries to the men.
When provisions are distributed, the men line up in long queues for packets of rice, flour, sugar, salt, pulses, milk, biscuits, shaving kits, soap and telecom cards.
Volunteers from St Mary’s Catholic Church said some workers came to the church to pray for their families and ask for assistance.
Boxes packed with essential food items were distributed to workers in the Dubai Investments Park and Ras Al Khaimah camps last week. Workers at the Sonapur camp asked for Dh1,600 towards their gas bill.
“Especially in this year of tolerance we consider ourselves privileged to be able to lend a helping hand to our needy brothers in the Actco camp," Father Lennie Connully, parish priest of St Mary’s.
Workers spoke of their helplessness, seeing children’s marriages cancelled because of lack of money going home. Others told of their misery of being unable to return home when a parent died.
“More than daily food, they are worried about not sending money home for their family,” said Kusum Dutta, a volunteer who works with the Indian consulate.
French business
France has organised a delegation of leading businesses to travel to Syria. The group was led by French shipping giant CMA CGM, which struck a 30-year contract in May with the Syrian government to develop and run Latakia port. Also present were water and waste management company Suez, defence multinational Thales, and Ellipse Group, which is currently looking into rehabilitating Syrian hospitals.