VIDEO: Chester police investigate confrontation at party | News  The Delaware County Daily TimesCop probed after hitting woman during St. Patrick's Day melee  New York Post Pennsylvania police investigating viral video showing an officer striking a woman  Fox NewsViral video of Pennsylvania officer punching woman in the face sparks investigation  KTVI Fox 2 St. LouisPolice officer who punched woman in the face during St. Patrick's Day brawl is under investigation  Yahoo LifestyleView full coverage on Google News