A boy was arrested on a felony murder charge Monday after Claremont Police Department officers responded to an 11:38 a.m. medical emergency in the 1400 block of Lynoak Drive, where they allege an infant girl “had been thrown to the floor by a juvenile at the residence.”

LA County Fire Department and CPD administered life saving measures at the scene before the infant was transported to Pomona Valley Hospital Medical Center.

“Due to the severity of her injuries, the infant was later transferred to Children’s Hospital of Orange County (CHOC), where she subsequently succumbed to her injuries,” according to the CPD statement.

The juvenile suspect was arrested at the scene, transported to the Claremont jail and booked. He was later transferred to Los Padrinos Juvenile Hall in Downey, where he was to be held ahead of a July 2 arraignment at Pomona Superior Court. Police did not disclose his age.

Claremont police said anyone with information relating to the incident should call (909) 399-5411.

An investigation is ongoing.