Add Yahoo as a preferred source to see more of our stories on Google. Officials in Jersey Shore towns say they are not equipped to deter minors from organizing in large groups that often lead to chaos ...

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 ...

Flash mobs can be lots of fun and the craze is growing. For the uninitiated, a flash mob is a group of people who plan to descend on a store, shopping mall or other public place with an impromptu song ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. PHILADELPHIA — The mayor of Philadelphia is combating marauding groups of teenagers and pre-teens known as "flash mobs" by ...

The specter of youth mobs has once again gained national attention after a series of "flash mobs" involving large groups of teenagers erupted in Philadelphia. On at least four occasions in the past ...