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

Area residents dressed in festive costumes gather on Maplewood Road to perform for trick-or-treaters as the crowd watches during a Halloween flash mob Thursday, Oct. 31, 2024, in Riegelsville. The ...

We’ve seen countless flash mob performances for countless strangers in shopping malls and subway stations, fast food restaurants and the like. This one seems just so much more meaningful. Here, Amy, ...

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 ...

This video is no longer available. D.C. tourists visiting the Jefferson Memorial got a treat on Saturday afternoon, when the International Flash Mob of West Coast Swing took over the Tidal Basin.

A joyful noise resounded in Lancaster city Saturday as a strolling group of singers performed the “Hallelujah” Chorus from Handel’s “Messiah” at several locations downtown. In flash-mob style, the ...