The second attack, from the work office, was also repelled. The commander of the Polish defence, Konrad Guderski, died during the second attack from the blast of his own grenade, which stopped the Germans who had broken through the wall.
During the second offensive launched from the office, it was repelled once more. Commander Konrad Guderski of Polish defense forces died in the second attack when a grenade he threw exploded, preventing the Germans from entering through the wall.