0 0   a . m . ▁and ▁ 4 : 3 0   a . m . ▁on ▁ 1 ▁August ▁ 1 9 9 1 . ▁Cro at ian ▁sources ▁indicate ▁that ▁the ▁art illery ▁fire ▁was ▁coming ▁from ▁units ▁assigned ▁to ▁the ▁J NA ▁ 5 1 st ▁Mechan ised ▁Brigade ▁deployed ▁on ▁the ▁left ▁bank ▁of ▁the ▁Dan ube ▁River , ▁on ▁the ▁territory ▁of ▁Ser bia , ▁as ▁well ▁as ▁the ▁Cro at ian ▁Ser b ▁TO . ▁The ▁J NA ▁report ▁on ▁the ▁events ▁prepared ▁for ▁Cro at ian ▁authorities ▁den ies ▁that ▁the ▁J NA ▁art illery ▁took ▁part ▁in ▁the ▁bomb ard ment , ▁and ▁indicates ▁a ▁somewhat ▁later ▁time ▁of ▁the ▁initial ▁fighting , ▁placing ▁it ▁at ▁ 4 : 1 0   a . m . ▁Wit ness ▁testim ony ▁given ▁at ▁the ▁International ▁C riminal ▁Trib unal ▁for ▁the ▁former ▁Y ug oslav ia ▁( I CT Y ) ▁trial ▁of ▁S lob od an ▁Mil o še vić ▁supports ▁the ▁tim eline ▁placing ▁the ▁initial ▁combat ▁at ▁ 3 : 0 0   a . m . ▁ ▁After ▁the ▁art illery ▁fire ▁ceased , ▁the ▁Cro at ian ▁Ser b ▁TO , ▁supported ▁by ▁the ▁Ser b ▁Vol unte er ▁Guard ▁( SV G ) ▁led ▁by ▁Ž el j ko ▁Ra ž nat ović , ▁began ▁an ▁inf antry ▁assault ▁of ▁Dal j , ▁organ ised ▁in ▁three ▁groups , ▁from ▁its ▁base ▁in ▁Bor ovo ▁S elo .