PBA head Pat Lynch said the mayor and the protesters have "blood on their hands."
Two Bed-Stuy officers were killed by a man who had boasted on Instagram of plans to kill police.
About 100 demonstrators from both sides shouted slogans and pointed fingers Friday night.
The unidentified woman is being interrogated, but has not been arrested, the NYPD said.
From another tale of Bill de Blasio lateness to Brooklyn hip-hop star Bobby Shmurda's arrest.
Police are investigating after a video that appears to show a young man being punched during an arrest.
Judge William Garnett, an acting justice in Brooklyn, was appointed to the case.
Candido Jerez attacked the man near the Port Authority Bus Terminal, the PAPD said.
Joseph Connor hopes William Morales will be extradited from Cuba for the bombing that killed his father.
A woman on a crowded R train had her wallet stolen by a pickpocket, according to a police report.
Police believe the victim was not the intended target of the Thursday afternoon shooting.
A UPS worker scanned an iPhone 6 as delivered and then slipped it into her pocket, police said.
Shmurda shot near a crowd outside an East Flatbush barbershop over the summer, prosecutors said.
Nearly 200 firefighters spent two hours battling an apartment building fire in Queens Thursday night.
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