Show Police Guard Against New Ney Harlem Riots NEW r YORK March 21 UP UP- UP Unrest smoldered in Harlem hornof home horn of negroes after rioting Tuesday night and Wednesday mo morning ml ng Harlem was calm but tense Morban More Mor than ban policemen were massed a at strategic points Despite this special special cial guard the Harlem Merchants Merchants' association appealed to Governor Herbert H H. Lehman for national guard troops Tradesmen suffered most in the rioting Looting started after aCter more than shop windows were vere broken |