A Brazilian police inspector shot and killed four colleagues Sunday at the station where they worked, according to the department.
The incident occurred early Sunday morning at a Civil Police station in the city of Camocim, in the northeastern state of Ceara, the force said in an Instagram post.
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The suspect shooter, who was off duty at the time, fled in a police vehicle and later surrendered at a Military Police station, a local security official told the G1 news outlet.
The situation — including any potential motive — remains under investigation. The mayor of Camocim — which is approximately 350 kilometers (220 miles) from the state capital of Fortaleza — declared three days of mourning in remembrance of the victims.