The streets of New York and Los Angeles came alive this week as a wave of flash mobs danced across busy crosswalks, grabbing ...

Students at BYU performed in a flash mob in the Wilkinson Student Center and posted the clip on March 12. Other students are seen on camera reacting and laughing at the surprising scene.

Improv Everywhere is a New York-based comedy troupe known for its unexpected flash mobs. For its latest mission, the group created the “most socially distanced office” … in the middle of the East ...