An explosion occurred early Tuesday morning at the entrance of a multi-family building in Åkersberga, causing substantial damage but fortunately no injuries.

The blast, which took place around 4 a.

m.

, shattered the building's entrance and windows, spreading debris across the vicinity.

Police have initiated a preliminary investigation for public endangerment, and the National Bomb Squad has been summoned to determine the cause.

According to eyewitnesses, the explosion was powerful enough to shake the entire building.

Law enforcement is actively collecting evidence at the scene, employing police dogs among other methods, yet no arrests have been made thus far.