Free Agents Limited/Getty Images(NEW YORK) -- A suspect remains at large nearly a week after an 87-year-old woman was shoved to the ground in an unprovoked attack on a New York City street, subsequently dying from her injuries, police said. The victim was walking in Manhattan's Chelsea neighborhood on Thursday at around 8:25 p.m. when the assailant crossed the street, approached her from behind and pushed her, "causing her to fall and hit her head," New York City police said. She was transported to an area hospital in critical condition. The suspect, described as a woman with lo...