NEW YORK (AP) — American cities are enticed by the economic growth and services that "sharing economy" companies such as Airbnb, Uber and Lyft can offer, but officials are anxious about safety in a largely unregulated realm, a city advocacy group found in a study released Wednesday. Nearly three-quarters of city leaders said they want to see the "sharing" sector grow, according to National League of Cities survey responses from 245 leaders of municipalities large and small. Yet nearly two-thirds said they were concerned about the safety of using apps and websites that let everyday people rent out rooms, arrange car rides and provide other services to strangers.Read more on NewsOK.com