They're known as "flash mobs" — gatherings of people who use social media and text messages to stage a spontaneous group "dance-in" at a train station or get a big crowd together to imitate statues in ...

The dramatic video footage often appears on TV news and social media: A large group of people storm into a store, smashing display cases and snatching loose merchandise before escaping in minutes ...

Cancelled - Christmas takes on a fairy-tale air at BHV Rivoli with the theme "Mini World, Big Christmas," created in ...

There were three flash mobs that targeted high-end retail stores from Friday evening to Sunday evening in the San Francisco area. "A large mob robbed Sam’s Jewelers inside Southland Mall, Hayward. PD ...