Nursing student Tanaya Copeland, 18, and P.J. Avitto, 6, died in separate attacks over the weekend.
The man was attacked on the downtown platform of the 18th Street station, police said.
A man who stabbed two kids, killing P.J. Avitto, may also have killed Tanaya Copeland, police say.
Prince Joshua Avitto, 6, was killed in the Brooklyn stabbing, police said.
Juan Martinez, 58, was fatally stabbed in the gym of the Holy Spirit Catholic Church, police said.
The fatal family dispute broke out inside a Marine Avenue home in Bay Ridge, police said.
Officers opened fire on two men who were threatening them in Flatbush and East Harlem, police said.
Chuen Lau was arrested for killing his sister, Meilin Liu, in their Eldridge Street home, police said.
A 17-year-old was knifed in the back while trying to protect his girlfriend, police said.
Dennis Guglielmo fatally stabbed his girlfriend in their Downing Street home, police said.
The incident occurred at Lexington Avenue and 125th Street at 10:30 p.m. Monday night
Relatives of Carl Richardson established a foundation in his name to help curb violence after his death.
The man was attacked as he got off an E train on Sunday, police said.
An 18-year-old was in stable condition after he was slashed in the head Sunday, police said.
A 20-year-old man was stabbed to death on Easter Sunday, police said.
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