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MOUNT VERNON, N.Y. — A woman was arrested Saturday after her baby was found dead inside their Mount Vernon home, authorities said.

Fifteen-month-old Samia Yusef was found unresponsive in the home on 210 Washington St. about 5:30 a.m. Friday. Officers attempted to revive the child, but she was declared dead about half hour later.

De’Asia Bartee, 26, was arrested Saturday and expected to be charged in connection with the toddler’s death.

The baby was not suffering from an illness and she had evidence of trauma to her face, Mount Vernon Police Commissioner Ronald Fatigate said.

“It was a gruesome discovery that shocked even our most senior officers on the job. We are providing counseling services to all officers impacted on this case and are working even harder to strengthen our relationship with the community to help families in need. I commend our officers for their hard work in making an arrest in this case,” Fatigate said.

Initial investigation showed that the toddler was dead for at least several hours before police arrived. She had significant trauma to the face and suffered internal bleeding, authorities said.

Yusef’s body temperature was also extremely cold, leading police to believe she may have been placed in a freezer at some point.

Two other girls — ages 6 and 9 — were also in the house at the time and were unharmed. They have been placed in child protective services, according to authorities.

Bartee is scheduled to be arraigned on Monday.