PHOENIX (AP) — Phoenix police say a 3-year-old boy has died a day after being left in a hot car for several hours while his mother and a family friend were in church for a choir practice.

Officer James Holmes says the family friend had taken the boy and other children to a church where the friend and the child’s mother had choir practice late Saturday morning. The mother had arrived earlier.

Haden Nelson was not discovered missing for three hours, following the end of choir practice at 2 p.m. By then, temperatures had reached the high 90s, and Holmes said the child wasn’t breathing when he was found in the vehicle.

The boy was hospitalized in extremely critical condition but died Sunday afternoon.

The case will be referred to prosecutors to decide whether to press charges.