The bricks fell from the building as construction work was under way, officials said.
A woman and her 5-month-old Pomeranian were hurt Thursday after they were struck.
The intersection of Riverside Drive and 157th Street has seen five accidents since July 2012.
The woman was struck by a car at Bruckner Boulevard and 138th Street.
Karoll Grzegorczyk was struck while crossing Fresh Pond Road between 60th Drive and Eliot Avenue.
Police aren't going after teen riders, saying they'd have to be arrested rather than written summonses.
Bus driver William Dalambert was arrested for driving while his ability was impaired, police said.
Jacqueline Haeflinger was fatally struck as she tried to save her dog, police and witnesses said.
Christal Aliotta, 31, was struck by a car driven by a man, whose license had been suspended, police say.
Christal Aliotta, 31, was killed on Hylan Boulevard and Cleveland Avenue on Monday.
A Nikon camera, tripod and other equipment was stolen from the man's car on May 11, police said.
A fire truck injured two people when it it collided with a car on East 115th Street, a spokesman said.
The intersection was the site of two other recent serious accidents, including one fatality.
The city installed the new light last week based on safety concerns.
The 20th Precinct said its educational sign campaign is working in preventing accidents.
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