 The Soviet High Command (Stavka) ordered Radzievsky to advance north toward Warsaw as part of the maneuver designed to prevent the retreat of Army Group Centre.On 28 July Brest was taken.By 2 August, the 1st Belorussian Front’s left wing armies seized bridgeheads over the Vistula at Magnuszew (Chuikov's 47th Army) and Puławy (Lieutenant General V. la.