Swedish police have detained a 16-year-old suspected of shooting and killing three people in the city of Uppsala on Tuesday.

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

At least three people have been killed in a shooting in the Swedish city of Uppsala, police say. In a statement on Tuesday, police said they had received calls from members of the public who heard noises that sounded like gunshots being fired near Vaksala Square in the centre of the city, about 60km (37 miles) north of the capital Stockholm.