Add Yahoo as a preferred source to see more of our stories on Google. Rising temperatures have begun drawing winter-weary Chicagoans outside and there’s reason already to be concerned about the safety ...

*It starts with a single post. A location. A time. A challenge. Within hours, hundreds of teenagers descend on a city street, mall, or waterfront. Within minutes, chaos erupts. This is the new reality ...

Philadelphia is not alone. Washington D.C., Las Vegas, Chicago, and other big cities have experienced mob attacks by hordes of teenagers in recent months. Even the Wisconsin State Fair isn't immune to ...

Improv Everywhere is a New York-based comedy troupe known for its unexpected flash mobs. For its latest mission, the group ...

Rising temperatures have begun drawing winter-weary Chicagoans outside and there’s reason already to be concerned about the safety of city dwellers and tourists in downtown Chicago. Shots rang out ...