A Brighton Beach man killed his father and stabbed his sister before jumping to his death from an Ocean View Avenue apartment building on Dec. 2, according to police.
The family was quarreling in their first-floor apartment between Brighton Beach Avenue and Coney Island Avenue early Tuesday morning when Kostyantyn Proskurnyak attacked his father, Voclodymyr Yeushchenko, and sister, police said. Officials did not release the woman’s name.
Police responded to the scene in response to an 911 call at 2:34 am and found Yeushchenko in the apartment with stab wounds to his neck. Paramedics pronounced the 59-year-old man dead at the scene. Investigators found Proskurnyak’s body on a sidewalk outside the building and believe the man jumped from the four-story building — though it is unclear what floor he was on when he took the plunge, police said.
The 30-year-old sustained severe trauma from the fall, and paramedics transported him to Coney Island Hospital where he was pronounced dead, according to law enforcement sources.
Proskurnyak’s younger sister ran three blocks to the corner of Coney Island and Brighton Beach avenues before calling police, officials said. The woman suffered stab wounds to her back, wrist, and forehead, police said. Paramedics took her to Lutheran Medical Center, where she was admitted in stable condition, law enforcement sources said.
There have been no arrests and the investigation is ongoing, police said.