▁central ▁figure ▁in ▁the ▁condu ction ▁of ▁Operation ▁Y ellow ham mer , ▁the ▁civil ▁cont ing ency ▁planning ▁for ▁the ▁possibility ▁of ▁a ▁no - de al ▁Bre x it . ▁ ▁Writing ▁in ▁The ▁Sunday ▁Times ▁on ▁ 2 8 ▁July , ▁G ove ▁said ▁that ▁a ▁no - de al ▁Bre x it ▁is ▁" now ▁a ▁very ▁real ▁prospect " ▁and ▁one ▁that ▁the ▁government ▁is ▁" working ▁on ▁the ▁assumption ▁of ". ▁He ▁said ▁in ▁August ▁that ▁it ▁was ▁" wr ong ▁and ▁sad " ▁that ▁the ▁EU ▁was ▁" ref using ▁to ▁negoti ate " ▁over ▁a ▁new ▁withdraw al ▁agreement . ▁That ▁month , ▁an ▁official ▁cabinet ▁Y ellow ham mer ▁document ▁le aked , ▁predict ing ▁that ▁a ▁no - de al ▁Bre x it ▁would ▁lead ▁to ▁food , ▁medicine ▁and ▁pet rol ▁short ages . ▁G ove ▁said ▁the ▁le aked ▁d oss ier ▁out lined ▁a ▁" wor st - case ▁scenario ". ▁ ▁Inter view ed ▁on ▁The ▁Andrew ▁Mar r ▁Show , ▁G ove ▁refused ▁to ▁say ▁whether ▁the ▁government ▁would ▁ab ide ▁by ▁legisl ation ▁designed ▁to ▁stop ▁a ▁no - de al ▁Bre x it . ▁A ▁portrait ▁of ▁G ove ▁was ▁installed ▁by ▁the ▁anti - Bre x it ▁campaign ▁group ▁Led ▁by ▁Don keys ▁on ▁a ▁beach ▁in ▁Red car , ▁North ▁York shire . ▁The ▁drawing ▁featured ▁a ▁quote ▁from ▁G ove ▁in ▁which ▁he ▁said ▁the ▁UK ▁" did n ' t ▁vote ▁to