Three people are dead and others injured after a terrorist drove a truck into a a busy department store in central Stockholm, Sweden on Friday.
“Sweden has been attacked. Everything points to the fact that this is a terrorist attack,” Prime Minister Stefan Lofven told reporters immediately after the attack.
According to initial reports, Swedish authorities had been rehearsing for a similar scenario just one week prior to the attack.
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Mats Löfving, the head of national operative department of the Swedish police, said, “This is now declared a national security event,” adding that officers across the nation were on heightened alert.
The Swedish Parliament was on lockdown, according to news reports. Train service in and out of the city grounded to a halt, and the police, who blocked off the affected area, urged people to stay at home and to avoid the city center.
The police said the first emergency call came in around 2:50 p.m. local time as the attack unfolded in Drottninggatan, Stockholm’s busiest shopping street. Witnesses described a scene of panic and terror.
“I saw hundreds of people running; they ran for their lives” before the truck crashed into the Ahlens department store, a witness identified only as Anna told the newspaper Aftonbladet.
Katarina Libert, a 32-year-old freelance journalist, was trying on clothes at the department store when she heard a boom and the walls shook.
At first, she said, she thought the noise was people moving things around the store, but then the fire alarm went off and staff members told her and other shoppers to get out of the building.
“We were running, we were crying, everyone was in shock,” Ms. Libert said. “We rushed down the street, and I glanced to the right and saw the truck. People were lying on the ground. They were not moving.”
Ms. Libert, who followed others as they were guided by officials to shelter, added, “My sister in law and some friends are close to the scene and at lockdown, can’t leave their office.”
She said that she usually avoided busy areas that could be potential terrorist targets, but that she had decided to take the Friday afternoon off to do some shopping.
“Some people felt that this was just a matter of time,” she said. “Paris, Brussels, London and now Stockholm. I just had a feeling something like this would happen.”
After the assailant plowed into people, the front of the truck ended up inside the department store.
A representative of the Spendrups brewery told Radio Sweden that the vehicle had been taken earlier in the day. A spokesman for the company told SVT, a national public broadcaster, that the truck had been stolen while the driver was loading it from the rear.
The brewery’s driver told the police that a masked man stole the vehicle, and that he was injured trying to stop him, the authorities said.
At the news conference, officials released a photo of a man wearing a hoodie. They did not name him as a suspect, saying only that they wanted to question him in connection with the attack.
The national police chief, Dan Eliasson, said, “We have the truck and the driver who usually drives it, but we do not have contact with the person or persons who drove it.”
Mr. Löfving, also of the police, asked for the public’s help in sharing the photo: “We want to get in touch with this man.”
The authorities also said that they could not confirm the number of dead or injured until they received more information from the hospitals.
The chief medical doctor at Stockholm’s Karolinska University Hospital, Nelson Follin, told the newspaper Dagens Nyheter that the hospital was treating “a handful” of people.
“The injuries are quite serious, but for now I cannot give further comments on conditions,” Dr. Follin said.
Previous accounts of shots being fired in parts of Stockholm were unfounded, the police said, adding that officers across Sweden were protecting high-risk sites.
The attack reverberated as far away as Norway, where the police said on Twitter that officers in that nation’s largest cities and at the airport in Oslo would be armed until further notice following the attack in Stockholm.