T roy an ▁with ▁Sto yan ▁Drag ne v ▁as ▁an ▁apost le ▁Sto yan ▁Za im ov ▁was ▁given ▁the ▁task ▁to ▁set ▁Ts ar ig rad ▁" on ▁fire ", ▁H rist o ▁B ote v ▁had ▁to ▁bring ▁Filip ▁T oty u ▁along ▁from ▁Od essa , ▁and ▁Pan ay ot ▁Hit ov ▁was ▁to ▁negoti ate ▁with ▁Bel grade . ▁Until ▁the ▁out bur st ▁of ▁the ▁St ara ▁Zag ora ▁u pr ising ▁of ▁ 1 6 ▁September ▁ 1 8 7 5 , ▁Nik ola ▁O bre ten ov ▁act ively ▁took ▁part ▁in ▁the ▁prepar ation ▁of ▁the ▁Cher ven a ▁V oda ▁det achment ▁and ▁the ▁training ▁of ▁population ▁in ▁nearby ▁villages . ▁After ▁the ▁u pr ising ' s ▁supp ression ▁because ▁of ▁And rey ▁M om chev ' s ▁tre ason , ▁more ▁than ▁ 1 , 0 0 0 ▁people ▁were ▁captured . ▁On ▁ 2 7 ▁September ▁ 1 8 7 5 ▁Nik ola ▁O bre ten ov ▁hid ▁in ▁the ▁house ▁of ▁Kar ami h ay lov , ▁an ▁interpreter ▁in ▁the ▁Russian ▁cons ulate , ▁who ▁organized ▁his ▁escape ▁to ▁Roman ia . ▁ ▁In ▁September ▁ 1 8 7 5 ▁Dim itar ▁Gor ov ▁gave ▁accommod ation ▁to ▁Nik ola ▁O bre ten ov ▁and ▁Sto yan ▁Za im ov ▁in ▁Gi urg iu , ▁in ▁a ▁place ▁they ▁used ▁to ▁call ▁" the ▁bar ra cks ". ▁In ▁October ▁Pan ay ot ▁Vol ov ▁joined ▁them .