es ▁were ▁ev acu ated ▁by ▁sea ▁from ▁Dub rov nik ▁to ▁other ▁parts ▁of ▁Cro atia . ▁The ▁J NA ▁set ▁up ▁two ▁prisoner - of - war ▁cam ps ▁to ▁det ain ▁those ▁it ▁had ▁captured , ▁one ▁at ▁B ile ć a ▁and ▁the ▁other ▁at ▁Mor in j . ▁During ▁and ▁after ▁the ▁off ensive , ▁ 4 3 2 ▁people , ▁mainly ▁civ ili ans ▁from ▁Kon av le , ▁were ▁imprison ed — 2 9 2 ▁in ▁Mor in j ▁and ▁ 1 4 0 ▁in ▁B ile ć a — and ▁subject ed ▁to ▁physical ▁and ▁psych ological ▁ab use . ▁The ▁ab use ▁was ▁perpet r ated ▁by ▁J NA ▁personnel ▁and ▁par amil itar ies , ▁as ▁well ▁as ▁civ ili ans , ▁and ▁included ▁beat ings ▁and ▁mock ▁execution s . ▁Many ▁of ▁the ▁d eta ine es ▁were ▁ex changed ▁for ▁prisoners ▁of ▁war ▁held ▁by ▁Cro atia ▁on ▁ 1 2 ▁December ▁ 1 9 9 1 . ▁The ▁two ▁cam ps ▁remained ▁in ▁operation ▁until ▁August ▁ 1 9 9 2 . ▁▁ 1 1 , 4 2 5 ▁buildings ▁in ▁the ▁region ▁sust ained ▁damage ; ▁ 8 8 6 ▁were ▁totally ▁destroyed ▁and ▁ 1 , 6 7 5 ▁sust ained ▁damage . ▁The ▁cost ▁of ▁the ▁damage ▁was ▁estimated ▁at ▁ 4 8 0   mill ion ▁Deutsche ▁Mark s . ▁Dam age ▁to ▁the ▁Old ▁Town ▁of ▁Dub rov nik ▁was ▁observed ▁by ▁a ▁UN ES