Abbreviation of 県警察 (けんけいさつ). Refers to the police force of a single prefecture, as opposed to the national police.
See also: 県警察 (けんけいさつ)
The prefectural police began investigating the case.
According to an announcement by the prefectural police, the cause of the accident is still unknown.
According to the prefectural police, the incident occurred late at night.
The prefectural police are investigating this incident.
The prefectural police arrested the man on suspicion of murder.