▁the ▁J NA ▁and ▁Cro at ian ▁authorities ▁in ▁Dub rov nik . ▁The ▁EC MM ▁was ▁with dra wn ▁in ▁mid - Nov ember ▁after ▁its ▁personnel ▁were ▁attacked ▁by ▁the ▁J NA , ▁and ▁the ▁med iation ▁was ▁taken ▁over ▁by ▁French ▁State ▁Secretary ▁for ▁Human itar ian ▁Affairs ▁Bernard ▁K ouch ner ▁and ▁UN ICE F ▁Mission ▁Chief ▁Ste phan ▁Di ▁M ist ura . ▁The ▁negoti ations ▁produced ▁ce ase fire ▁agre ements ▁on ▁ 1 9 ▁November ▁and ▁ 5 ▁December , ▁but ▁neither ▁yield ed ▁any ▁specific ▁results ▁on ▁the ▁ground . ▁Instead , ▁the ▁J NA ▁ 2 nd ▁Corps ▁units ▁located ▁in ▁Dub ro va č ko ▁Prim or je , ▁north - west ▁of ▁Dub rov nik , ▁closed ▁in ▁on ▁the ▁city , ▁reaching ▁the ▁far th est ▁point ▁of ▁their ▁advance ▁on ▁ 2 4 ▁November , ▁as ▁the ▁city ▁def ences ▁were ▁pushed ▁back ▁to ▁S ust j ep an – S r đ – Bel ved ere ▁Hotel ▁line . ▁That ▁day , ▁the ▁J NA ▁tried ▁to ▁establish ▁the ▁Dub rov nik ▁Republic ▁in ▁the ▁area ▁it ▁occupied , ▁but ▁the ▁attempt ▁ultimately ▁failed . ▁ ▁In ▁November , ▁Dub rov nik ▁began ▁receiving ▁the ▁largest ▁deliver ies ▁of ▁human itar ian ▁aid ▁since ▁the ▁beginning ▁of ▁the ▁sie ge . ▁The ▁first ▁successful ▁attempt ▁to ▁sust ain ▁the ▁city ▁was ▁the ▁Libert as ▁con voy — a ▁fleet ▁of ▁civil ian ▁vessels , ▁the ▁largest ▁being ▁J ad