State locks down all prisons following employees being sickened; suspends visits, mail

State locks down all prisons following employees being sickened; suspends visits, mail  Pittsburgh Post-Gazette Pennsylvania orders lockdown of all state prisons, cites sickness from smuggled chemical drugs  Allentown Morning Call Pennsylvania prisons on lockdown as mystery illnesses probed  WTAE Pittsburgh Pennsylvania prisons are locked down after 'unknown substances' leave 29 hospitalized  Washington PostFull coverage