Cierra Curtis

Cierra Curtis is charged with murder, assault, child abuse and neglect in the death of her 21-month-old son. (Photo provided by Baltimore Police Department)

A 19-year-old Baltimore woman was arrested and charged Thursday in the beating death of her 21-month-old son last week, police said.

According to charging documents, Cierra Curtis ran up to officers about 11:50 p.m. on June 30 near the Red Carpet Inn in the 5800 block of Reisterstown Rd. saying, "I'm not a bad mother; my baby's not breathing."

Curtis' boyfriend carried the child, Jayden Curtis, who was gasping for air, to officers, police said. The officers performed CPR on Jayden Curtis, and he was taken to Sinai Hospital, but he was pronounced dead less than an hour later, police said.

A subsequent autopsy found that the child had been killed by blunt force trauma, police said, which, along with witness interviews, led them to arrest Cierra Curtis.

Curtis is charged with murder, assault, child abuse and neglect, police said. She is being held at central booking.

The killing was the city's eighth child homicide this year.

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An earlier version of this article said the incident took place near a different inn. The Sun regrets the error.