Police released video of an assault that happened at about 9 p.m. Wednesday along Ditmas Avenue in the Kensington section.
Investigators say the suspect got into an argument and stabbed a 45-year-old man twice before running away.
The suspect is described as being about 40 years old, 5-foot-6 and weighing about 170 pounds.
Anyone with information is asked to call Crime Stoppers at (800) 577-TIPS (8477).
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