The Child Death Task Force is investigating after a 2-year-old boy died at an area hospital early Friday morning.

According to press release from the St. Clair County Sheriff's Office, the boy was pronounced dead at Cardinal Glennon Children's Hospital before deputies were sent to a home on the 2600 block of Eastview Drive in Belleville, Illinois, to begin an investigation.

The boy was taken to St. Elizabeth's Hospital in Belleville by the boy's mother and her boyfriend before the boy was flown to St. Louis.

A person of interest in the case was taken into custody, but was released with no charges filed.

There were two other children living in the home. They are being cared for by the Department of Children and Family Services.

The investigation is ongoing, and an autopsy has been performed.