Rubuta ci gaba don wannan sakin layi - A ƙarshe, rukunin ya isa Modlin Fortress, inda ya sami ƙarfafawa kuma ya ba da kariya ga yankin. Rundunar ta 32 ta mallaki Forts No. 1 da 2, bindigogi na kwayoyin halitta (ciki har da 8th Heavy Artillery Detachment) sun mallaki layin gabashin Kazuń. A daren ranar 7 ga Satumba, Runduna ta 21 ta isa yankin, amma an tura ta zuwa kudu don shiga cikin yakin Warsaw, yayin da Runduna ta 13 a karkashin Lt.Col. Alojzy Nowak ya yi aiki da layin tare da Vistula kusa da Gniewniewice, yammacin Modlin. Duk da cewa an girgiza shi sosai a kwanakin farko na yakin, an sami nasarar sake tsara sashin kuma ya kare matsayinsa har zuwa mika wuya.
na Modlin Fortress a ranar 29 ga Satumba.