Orig. bildtext... SACCO-VANZETTI PROTEST STRIKE GETS UNDER WAY. New York. Labor at 10 a.m. today started its one-day protest strike against the execution of Sacco and Vanzetti with an estimated total of from 400,000 to 500,000 workers participating. The big meeting of the day is scheduled for 4 p.m. at Union Square which will be policed by over 600 mens armed with tear gas and machine guns. Photo shows Sacco-Vanzetti sympathizers with banners at Union Square, four hours before the meeting. Orig. bildtext... SACCO OCH VANZETTIS DEMONSTRATION Å UNION SQUARE. Anm. Justitiemord Anarkism Plakat CD298 persons: BARTOLOMEO VANZETTI*;NICOLA SACCO* sites: NEW YORK;USA