Senior woman killed in Union Square by massive tow truckThe man in the black T-shirt was identified by a police source as the driver of the large tow truck that struck and killed a woman on 17th St. between Park Avenue South and Broadway next to the Union Square Greenmarket on Wednesday afternoon. (Photo by © Jefferson Siegel) Senior woman killed in Union Square by massive tow truck July 14, 2021 BY THE VILLAGE SUN | Updated July 15, 12:45 a.m.: A woman in her mid-80s was fatally struck by a huge tow truck at Union…