What began as a childhood dream for Sydney Druen turned into a viral sensation last month when her now-fiancé surprised her with a flash mob proposal on her family’s farm. The 4-minute video, posted ...

One very popular example of a flash mob is the March 2009 video that featured over 200 participants in Antwerp, Belgium, Central train station who spontaneously broke into choreographed dance steps to ...

Washington-area police said they are preparing to combat the “flash mob” phenomenon, a new tactic being used by criminals and violent youths around the country and in the region. Flash mobs are groups ...