Police are investigating a death in Sigtuna, located north of Stockholm, Sweden. A person was discovered deceased, and authorities are treating the case as a potential homicide. The identity of the deceased has not yet been released. Investigations are currently underway to determine the circumstances surrounding the death. No further details have been provided regarding the time of death or any potential suspects. The incident is prompting a police presence in the Sigtuna area as the investigation progresses. Authorities are appealing for any information the public may have.