Peter Zepf was helping put together the arena's "green roof" on Tuesday.
Isiah Joseph, 15, was shot once in the back at Avenue H and East 56th Street Sunday, police said.
Reginald Prescott, 57, struck and killed 78-year-old Jean Bonne-Annee in East Flatbush Tuesday evening.
NYPD officers Wenjian Liu, 32, and Rafael Ramos, 40, were mourned one day after they were shot dead.
Timothy Crump, 14, was stabbed to death by a teenager outside Joseph H. Wade Middle School, police said.
Sook-Ja Kim, 63, was hit and killed by a Honda, police said.
The woman, in her 60s, was hit by a tractor-trailer on Hamilton Avenue, early Wednesday morning.
The incident occurred at Northern Boulevard and 80th Street about 8:45 a.m., authorities said.
Workers removed debris at a Fort Greene building collapse that left one man dead and two injured.
Leandre Mallinckrodt was stabbed to death after the West Indian Day Parade.
A man has died of stab wounds to the neck and shoulder in Woodside, Queens.
Adrian Garcia, 25, was shot and killed Sunday at 805 Pelham Parkway North in the Bronx, police said.
Javier Hernandez, 28, of Brooklyn, hit and killed a 3-year-old man and fled, police say.
A 28-year-old man died on the Cross Island Parkway Service Road near 115th Avenue, police say.
Nick Olivera, 41, died in a crash on Grand Central Parkway at Exit 24, police say.
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