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

You’ve probably already heard of flash mobs–their eccentric gatherings have been well documented in media vehicles from the New York Times to Good Morning America ...

Add Yahoo as a preferred source to see more of our stories on Google. The Los Angeles Police Department issued a dispersal order to a crowd at the intersection of Van Nuys Boulevard and Haddon Avenue ...