Juan Carlos Luna-Juarez was killed and his brother was injured by a group of five men, police said.
The suspect attacked the man Friday morning, officials said.
A woman tried to intervene in the fight that broke out at a methadone clinic, police said.
The owner of Milk and Roses in Greenpoint suffered two cuts to his chest from the incident, police said.
Peter Gialluisi, 67, was fatally stabbed inside his Venus Place home on Sunday, police said.
A brawl on South St. last week left three men with slashes across their faces and bodies, police said
Jin Deng Shi, 38, had a previous order of protection issued against him, police said.
Police released new video of the man they said killed Fabian Carreno during a fight in Corona.
The daylight attack happened at East 124th Street and Madison Avenue, according to the NYPD.
Devineil Brown, 27, was convicted of killing live-in boyfriend Shaun Woolford in 2012.
Police said a suspect stole a livery cab and stabbed the driver in Bed-Stuy in April.
James Sloane fatally shot Jose Feliciano at the Woodside Houses Friday night, police said.
A 24-year-old was charged with participating in an attack that killed a 23-year-old, police said.
One woman stabbed another in the ear after they exchanged punches in a Third Avenue 7-Eleven.
Investigators found no evidence of bullying at IS 117, but said suspect may have been hassled elsewhere.
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