 On the evening of the first day, Stroop withdrew his men.During the following days, the Germans broke the tough resistance with the use of artillery and flame throwers.The smoke and heat from the fire forced a number of Jews to leave their shelters, and some chose to commit suicide by jumping from the windows of burning houses, or they escaped through the sewage lines that were still connected to the Gentile part of the city after the construction of the ghetto.