Three people were killed in a shooting in the Swedish city of Uppsala on Tuesday and a murder investigation has been launched, police said.

In a statement, police in the eastern Swedish city said they received calls from the public reporting sounds resembling gunfire.

STORY: A shooting in the Swedish city of Uppsala left at least three people dead on Tuesday.Police said they first received calls about gunshots in Uppsala's city center.Witnesses told local media that they heard five shots and saw people running for cover.