A tense situation unfolded in Fredrikstad as police discovered an explosive device in a residential garden on Østsiden.

The bomb squad was called in to secure the device, leading to the evacuation of nearby residents and the temporary closure of a local school and kindergarten.

The police have arrested a suspect, who denies any wrongdoing, and are considering further arrests as the investigation continues.

Kripos, the National Criminal Investigation Service, is assisting in the case, which is being investigated under the penal code for handling explosives with criminal intent.

The community remains on edge as authorities work to determine the intended target and motive behind the placement of the explosive.