The detention hearing will take place tomorrow (Monday), says Annika Collin, press officer at the Prosecution Authority.
She has no information about the suspect's gender, age, or what the person is suspected of.
The suspect was arrested on Thursday in the Malmö area, suspected of attempted murder. The person was previously detained in their absence.
Säpo has stated that the case is linked to an ongoing investigation where an 18-year-old man is detained, suspected of various forms of terrorist crimes.
The 18-year-old, who is registered in Skåne, was detained on Thursday. He is suspected of preparing for terrorist crimes, participating in a terrorist organization, serious crime, attempted murder, and preparing for serious crimes against the law on flammable and explosive goods. The man was arrested in the Stockholm area on Tuesday.
