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Westchester County Police Arrest Man in Mt. Kisco Stabbing Death

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Westchester County Police detectives charged a Mount Kisco man with first-degree manslaughter for allegedly stabbing to death another resident late Saturday night in a house where they both lived.

The suspect, Oscar Morales, 41, and the victim lived at 305 Lexington Ave. and were known to each other, county police spokesman Kieran O’Leary said. It wasn’t yet known what the dispute was about or the relationship between the two men, he said.

Witnesses told police that Morales and the victim had an argument that turned into a physical altercation. Morales allegedly used a knife to stab the victim, police said.

Police received a 911 call at 11:12 p.m. on Saturday reporting an assault with a knife had just occurred inside the house. When officers arrived at the scene, they found a man with multiple stab wounds.

First aid was given to the victim before he was rushed to Northern Westchester Hospital. He was pronounced dead at 12:18 a.m. on Sunday.

The victim’s name is being withheld until his identity can be confirmed, police said.

Morales was arrested following an investigation by General Investigation Unit detectives and was transported to the county police’s Mount Kisco precinct. He was arraigned before Village Justice Mark Farrell and remanded without bail to Westchester County Jail in Valhalla.

After a flurry of social media posts during the day on Sunday that speculated what may have happened and the yellow tape place around the property by law enforcement, the Village of Mount Kisco confirmed on its social media sites Sunday evening that there had been a physical dispute in the village, which resulted in a death, but that there was no threat to public safety.

This report will be updated as more details become available.

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