▁ 1 ▁August . ▁Tw enty - five ▁bodies ▁of ▁the ▁vict ims , ▁including ▁two ▁civ ili ans , ▁were ▁transferred ▁to ▁Z NG - h eld ▁Os ij ek . ▁Post - mort em ▁exam in ations ▁indicated ▁some ▁of ▁the ▁vict ims ▁were ▁be aten ▁and ▁then ▁executed . ▁ ▁After math ▁ ▁The ▁Cro at ▁population ▁felt ▁int im id ated ▁and ▁forced ▁to ▁leave ▁Dal j , ▁as ▁the ▁events ▁of ▁ 1 ▁August ▁marked ▁the ▁beginning ▁of ▁a ▁series ▁of ▁attacks ▁against ▁the ▁Cro at ▁civil ian ▁population ▁in ▁eth n ically ▁mixed ▁areas . ▁The ▁bulk ▁of ▁the ▁refuge es ▁travel led ▁to ▁Al j ma š , ▁and ▁then ▁were ▁taken ▁by ▁boats ▁and ▁b arg es ▁along ▁the ▁Dra va ▁River ▁to ▁Os ij ek . ▁Per sec ution ▁of ▁the ▁non - Ser b ▁population ▁of ▁Dal j ▁and ▁other ▁nearby ▁villages ▁started ▁in ▁the ▁immediate ▁after math ▁of ▁the ▁attack . ▁The ▁per sec ution ▁included ▁beat ings , ▁arbitrary ▁arr ests ▁and ▁war ▁ra pe . ▁The ▁TO ▁units ▁arrested ▁a ▁number ▁of ▁Cro at ▁civ ili ans ▁and ▁imprison ed ▁them ▁in ▁Dal j . ▁On ▁ 2 1 ▁September , ▁eleven ▁prisoners ▁were ▁killed ▁by ▁the ▁TO ▁personnel ▁led ▁by ▁Ra ž nat ović , ▁and ▁buried ▁in ▁a ▁mass ▁grave ▁in ▁the ▁village ▁of ▁ Ć elij e . ▁A ▁further ▁ 2 8 ▁civ ili ans ▁held ▁in ▁Dal j ▁det ention ▁facility ▁were ▁tort ured ▁and