Gunfire erupted just before midnight Saturday near Horton Avenue and Brook Street, New Rochelle police said in a statement.
A 29-year-old Brooklyn man was fatally shot in the neck, police said. His name was not immediately released.
A second victim was shot in the back and underwent surgery at a local hospital, police said. Three others were treated for injuries that were not considered life-threatening.
Police have made no arrests.
An hour later, police responded to reports of gunshots being fired from a nearby courtyard.
Ten bullet casings were found near the scene but no one was struck.
It is not yet known if the two shootings were related.
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