PHILADELPHIA -- Two teenage boys are in custody and more suspects are being sought after what police called a "flash mob" attack in Center City Philadelphia that left six people injured, including an ...

A five-year FBI report shows shoplifting incidents related to flash mob groups are responsible for more than $8 million in ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. PHILADELPHIA — The mayor of Philadelphia is combating marauding groups of teenagers and pre-teens known as "flash mobs" by ...

Two teenage boys are in custody and more suspects are being sought after what police called a "flash mob" attack in Center City Philadelphia that left six people injured, including an off-duty police ...

PHILADELPHIA (AP) — A stricter curfew for minors will be extended two weeks, because the measure has been successful in helping to curb violent attacks by teen mobs that had severely injured ...

Common police strategy for preventing flash mobs has been tightening of curfews. Aug. 27, 2011— -- When a massive flash mob rampaged outside the Wisconsin State Fair injuring 11 fairgoers on Aug.

PHILADELPHIA -- The term "flash mob" used to mean online-organized groups having street-corner pillow fights or sidewalk dance-offs, but in Philadelphia they've turned violent, and the reasons are as ...

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 ...

PHILADELPHIA (Reuters) - A youth curfew has worked so well at quenching flash mobs in downtown Philadelphia that it has been extended until school resumes after Labor Day, officials said on Tuesday.