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 ...

*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 ...

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 ...

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 ...

PHILADELPHIA — The mayor of Philadelphia is combating marauding groups of teenagers and pre-teens known as "flash mobs" by ordering anyone under 18 to be off the streets by 9 p.m. on Friday and ...