The attack took place at a busy intersection in central Stockholm around 2:33 p.m. local time. A reporter for public radio station SR said he spotted at least three dead and several injured people on the ground.
“I saw at least three dead, but there are likely more,” the reporter said. “It’s a complete mess.”
Police have launched an investigation into a possible terror attack. Prime Minister Stefan Lofven confirmed one person has been arrested in relation to the attack.