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INDIANAPOLIS, Ind. – Indianapolis Metropolitan police arrested a father in connection with the death of his newborn baby.

On Dec. 20, IMPD officers were dispatched to the 4900 block of Rockville Road after a 911 caller said a child had stopped breathing. Officers found a 28-day-old infant who was unresponsive; the baby died from trauma on Dec. 23.

The Marion County Coroner’s Office ruled the boy’s death a homicide, police said. On Tuesday, the victim was identified as Leo Gaunt.

Detectives arrested 24-year-old Michael Gaunt, the baby’s father, in connection with the boy’s death. He was booked on a preliminary charge of battery resulting in serious injury.

The Marion County Prosecutor’s Office will make the final charging decision.