Overturning cabs driven by blackleg drivers, a crowd of 300 striking cabman marched through the Loop district of Chicago, Illinois. The rioting mob threw stones through windows of other taxicabs and police were tempted to prevent them were held back by sympathising crowds. Finally the taxi company was compelled to call in its cabs. Photo shows: a taxi overturned by the rioting drivers at Adam and Wabash Avenue in the Loop district of Chicago. March 24, 1937