The phenomenon of the flash mob — masses of people organized using social media — began innocently enough and quickly mushroomed. Among the highlights in recent years: One hundred people danced to ...

Every once in a while, crowded train stations have been known to break into song and dance and then disperse as if nothing happened. Large groups of people freeze for a period of time and then ...

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

Several students walking at the intersection of Franklin and Columbia on Saturday stopped in their tracks and stared at the sasquatch playing the saxophone on the street. The sasquatch was leading a ...

This video is no longer available. D.C. tourists visiting the Jefferson Memorial got a treat on Saturday afternoon, when the International Flash Mob of West Coast Swing took over the Tidal Basin.

MINNEAPOLIS — Dozens of people spontaneously danced their designs into the snow surrounding the Minneapolis Sculpture Garden this weekend. Minneapolis Community Education offered this first-ever flash ...

They're called "flash mobs" or "unruly crowds." Let's just call them what they are -- thugs! Roving gangs of young thugs have made headlines lately with random attacks and general chaos as the summer ...

TYLER, Texas (KLTV) - The Arc of Smith County’s Funlovers’ dance was interrupted by a surprise flash mob that had everyone on their feet. The surprise performance was by the cast of the Tyler Civic ...

These gatherings usually start out as manageable, well-behaved, fun events, celebrations, or parties. They can be viewed as rites of passage or just people blowing off a little harmless steam. The ...