Oslo defused an explosive device, according to local police.
On it informs "Interfax".
Media reported that in Oslo, a suspicious object resembling a bomb, RIA "Novosti".
The man who left it under the bridge through the Akerselva in Grenlann district detained.
Demolitions conducted a controlled explosion, after which the remains of a suspicious object passed to forensic examination.
In this case, a police spokesman Svein Arild Yorundland, telling about the explosion, said that he appeared louder than one would expect if it was a false alarm.
On Friday in the capital of Sweden, the attack occurred - the native of Uzbekistan, driving a truck crashed into a crowd of people.
Four people were killed, nine injured. One of the victims was 11-year-old girl.