A number of Croat civilians in hospitals and shelters marked with a red cross were targeted by Serb forces. There were numerous well-documented war crimes against civilians and prisoners of war perpetrated by Serb and Yugoslav forces in Croatia: the Dalj killings, the Lovas massacre, the Široka Kula massacre, the Baćin massacre, the Saborsko massacre, the Škabrnja massacre, the Voćin massacre, and the Zagreb rocket attacks.