According to major media reports, a gas detector at Luleå harbor gave an indication for hydrogen cyanide, prompting authorities to shut down the facility. The harbor will remain closed until 12 o'clock today as a precautionary measure. The cause of the hydrogen cyanide detection has not been confirmed, and it is unclear what specific measures are being taken to investigate and address the situation.
Authorities have not yet determined if there is any danger to public health or safety from the detection, leaving residents and workers awaiting further updates.