
A letter with unknown contents has arrived at City Hall.
SOS Alarm reports that a letter with unknown contents has arrived at City Hall.
The police are on site to assist the rescue services in the initial stages.
There is no information indicating that anyone has been injured.
Staff have taken steps themselves to ensure that no one can enter the building.
UPDATE at 10:14
Some rooms in the building have been cordoned off, and a smaller area outside the building has also been cordoned off.
UPDATE at 11:45
A preliminary investigation into unlawful threats against a group has been opened. There is no suspect.
The contents of the letter are currently considered harmless, but the letter will be seized to establish what it contains and to help identify any potential suspect.
The police are preparing to wind down the operation at the site, but some patrols are still there.