Complex sentence: Voćin massacre was a massacre of Croatian civilians in the village of Voćin, perpetuated by Serb paramilitary units in December 1991 during the Croatian War of Independence.
Split into simpler sentences: Voćin massacre was a war crime committed against Croatian civilians in the village of Voćin. It was perpetuated by Serb paramilitary units in December 1991 during the Croatian War of Independence.