A youngster has reportedly been arrested after an explosion in central Oslo.
Police mentioned they carried out a managed detonation of a second explosive gadget discovered on the website.
Brian Skotnes, the officer in cost, mentioned that extra gadget seemed to be a “military-style” hand grenade.
The suspect is 13 years outdated, Norwegian media reported.
No accidents had been reported on the scene, close to a college campus and 500 metres from the Israeli embassy.
In an uncommon transfer, authorities despatched an emergency message to Oslo residents’ cell phones, warning them in regards to the blast.
“We’ve apprehended one suspect and are intensively seeking more information as well as other people,” Mr Skotnes mentioned.
“Our hypothesis is that it is criminals who have an agenda against other criminals, but we cannot rule out anything.”
The realm is now protected, he added.
He declined to touch upon the suspect’s age.
The incident comes nearly a day after studies of drone sightings close to Oslo’s and Copenhagen’s airports.
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