The infant was found swaddled in a blanket and stuffed into a garbage bag in front of an apartment door on East 223 Street near White Plains Road in Olinville around 12:10 p.m. Wednesday, police said.
The 56-year-old victim stepped into the fray when she spotted two men fighting on the southbound No. 2 and 3 train platform around 12:40 a.m., law-enforcement sources said.
Brooklyn woman Pei Chung, 34 has been arrested five times since October for indulging in high end restaurants like Peter Luger and Francie, stiffing staffers and blogging about her stolen fare.