Swedish media say a truck has crashed into a department store in central Stockholm, killing three people.
Swedish radio said on Friday that three people have been killed in the crash and Swedish broadcaster SVT says shots have been fired.
People in the area are fleeing the scene.
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Swedish police said say they have received calls about a person who has injured others driving a vehicle on the central Stockholm street of Drottninggatan.
Police spokeswoman Towe Hagg says people have been injured but she would not confirm the deaths.