Authorities did not respond to requests for more information about the incident.
"We have never seen so many incidents," said Rue Landau, executive director of the Philadelphia Commission on Human Relations.
The 80-year-old entertainer said Monday that Tom Mesereau of Los Angeles will lead a team of three lawyers that also includes Sam Silver, a Philadelphia-based attorney who defended former U.S. Rep. Chaka Fattah and ex-Pennsylvania State University president Graham B. Spanier.
Police responding to the scene were met by a man with a handgun, authorities say.
Police found a grenade and assault rifles inside a home.
The employee was stabbed in the neck, head and shoulder. A search for the attacker is continuing.
Police said the man had raised a gun in the officer's direction after an order to drop it.
Vandals have struck again amid calls to remove memorials to the former police commissioner and mayor.
The Disciplinary Board of the Supreme Court scheduled the Nov. 29 hearing to consider whether Stacy Parks Miller committed professional misconduct in texts with judges that discussed pending cases and by using a fake Facebook account to obtain information on defendants.
Tanya Muskelley, 48, was sentenced in a May 3, 2012, crash that killed 20-year-old Brittney Dixon as she crossed Roosevelt Boulevard at Cottman Avenue.
The pleas are the second day of court action in the FBI's unraveling of a far-reaching scheme to defraud public benefits programs with kickbacks involving an out-of-state compounding pharmacy between January 2015 and April 2016.
More than 27 million guns requiring background checks were sold in the United States last year. That was a record, but it doesn't include the many firearms sold privately.
The homicides occurred during a marital dispute and the two victims suffered blunt force trauma, the prosecutor's office said.
Calls to take down the statue of the controversial former mayor have resurfaced in the wake of violence in Charlottesville, Va.