A Florida woman has been arrested after she allegedly held her 14-year-old daughter’s head underwater until she died and attacked witnesses with a hammer when they tried to stop her.

Osceola County Sheriff Marcos Lopez said the witnesses — another child and a roommate — called 911, reporting that they saw 35-year-old Kelsie Glover holding her daughter’s head underwater in a bathtub.

Deputies kicked the door in to enter and wrestled the hammer away from the suspect, the sheriff said. They found the girl, Giselle Glover, unresponsive, and she was pronounced dead at a local hospital.

Lopez said Glover has been charged with aggravated assault with a deadly weapon and battery and that additional charges are pending, awaiting the official cause of death of the girl from the Osceola County Medical Examiner. Glover was “a little uncooperative” with investigators.

“It’s a dark day when things like this happen,” Lopez said. ” … What happened to her was unimaginable, and we are determined to get justice for Giselle.”

Lopez did not explain what led to the bathtub incident. He said the girl’s father was not there.

He added that police had been called to the home in the past for a domestic violence incident between Glover and her husband. Glover has no known criminal history or history of mental illness.

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[Featured image: Kelsie Glover/WKMG screenshot]