A Brentwood woman was slashed with a broken bottle by another woman during an altercation early Sunday morning at a Copiague restaurant, Suffolk County police said.

Police said Christina Fuentes, 29, of Brentwood, and Maria Canales, 26, of Brentwood, were at El Milagro at 350 Oak St. shortly before 1:30 a.m. when Fuentes slashed Canales in the stomach with a broken bottle.

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Canales was taken to Good Samaritan Hospital Medical Center in West Islip, where she was treated and released, police said.

Fuentes was arrested and charged with second-degree assault. She was to be arraigned Sunday at First District Court in Central Islip.