As soon as word came that the marchers had all become seated, Michael Scott and Schoenman and I took a notice that we had prepared and stuck it on the Ministry door. We learned that the Government had asked the Fire Department to use their hoses upon us. Luckily, the Fire Department refused. When six o'clock arrived, we called an end to the sit-down. A wave of exultation swept through the crowd.
Source: The Autobiography of Bertrand Russell, v.3
More info.: https://russell-j.com/beginner/AB33-190.HTM