Philadelphia officials imposed a citywide after-dark curfew on Wednesday, seeking to avert a third night of violence amid protests over the fatal police shooting of a Black man wielding a knife and..
New York City Mayor Bill De Blasio commented on unrest in Brooklyn following the police killing of a Black man in Philadelphia, saying "no violence is acceptable."
The father of Walter Wallace, a Philadelphia Black man shot dead by police, is appealing for calm as a second night of protests over his son's death brought renewed violence. Matthew Larotonda reports.