The police were alerted on Saturday evening about an explosion in Täby center north of Stockholm.
It has exploded outdoors at the entrance to a company. No one is injured and the material damage is also limited, says the police's press spokesperson Daniel Wikdahl.
The police have cordoned off the area and are searching for suspects with multiple units on site. The incident is classified as general endangerment.
At 11:30 pm, the police announce that the national bomb squad has inspected the crime scene and a technical investigation has been conducted. There is still no suspect for the incident.