Add Yahoo as a preferred source to see more of our stories on Google. The Federal Bureau of Investigation headquarters are pictured in February in Washington, D.C. On Wednesday, the FBI's uniform ...

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 ...

Philadelphia Mayor Michael Nutter is fed up with flash mobs that have been taking place in the City of Brotherly Love over the last year. Young black teens have been harassing, harming and looting ...

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 ...

*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 ...

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 ...

Actors dressed in beach attire participate in a flash mob as part of a commercial for McDonald’s in Chicago on July 14. The July 4 fireworks display in the Cleveland suburb of Shaker Heights was ...