At a Wednesday news conference, they said the incidents have to stop, and any future flash mobs will be met with organized and relentless crackdowns by police. "This is an issue of citywide ...

PHILADELPHIA (AP) — Police say four people, including an off-duty police detective and his wife, were taken to a hospital after a “flash mob” attack by some teens among a crowd of juveniles 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 ...

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 ...