▁ ▁The ▁crisis ▁reached ▁its ▁peak ▁in ▁ 1 8 5 7 ▁when , ▁following ▁the ▁death ▁of ▁the ▁Yang ▁Di per tu an ▁M uda , ▁the ▁Sultan ▁delayed ▁in ▁naming ▁his ▁successor . ▁This ▁was ▁due ▁to ▁the ▁fact ▁that ▁the ▁Sultan ▁do ▁not ▁appro ve ▁of ▁any ▁of ▁the ▁candidates ▁offered ▁by ▁the ▁Yang ▁Di per tu an ▁M uda ' s ▁family . ▁The ▁Sultan ▁then ▁tried ▁to ▁name ▁a ▁candidate ▁from ▁Singapore ▁and ▁claimed ▁that ▁the ▁reven ues ▁gained ▁by ▁the ▁Yang ▁Di per tu an ▁M uda ▁ought ▁to ▁be ▁paid ▁to ▁him . ▁The ▁final ▁blow ▁came ▁when ▁he ▁decided ▁to ▁sail ▁to ▁Singapore ▁without ▁naming ▁a ▁vic ero y , ▁despite ▁the ▁Dutch ▁travel ▁prohib ition . ▁The ▁Dutch ▁therefore ▁de posed ▁him ▁on ▁ 7 ▁October ▁ 1 8 5 7 ▁while ▁he ▁was ▁in ▁Singapore . ▁He ▁then ▁remained ▁in ▁Singapore ▁and ▁sought ▁med iation ▁with ▁the ▁Dutch , ▁but ▁the ▁British ▁decided ▁not ▁to ▁inter f ere ▁in ▁the ▁issue . ▁ ▁Sultan ▁B adr ul ▁Al am ▁Sy ah ▁II ▁ ▁In ▁R ia u , ▁the ▁Dutch ▁and ▁Yang ▁Di per tu an ▁M uda ▁then ▁ent hr oned ▁Mah m ud ▁IV ' s ▁uncle , ▁Sultan ▁B adr ul ▁Al am ▁Sy ah ▁II ▁as ▁the ▁fourth ▁Sultan ▁of ▁R ia u ▁( 1 8 5 7 – 1 8 8 3 ). ▁He ▁was ▁assist ed ▁by ▁Yang ▁Di per tu an ▁M uda ▁IX ▁R aja