The Slidell Police Department is investigating the death of a 4-year-old boy found unresponsive in a swimming pool Monday evening.

Shortly before 6 p.m., Slidell Police responded to 104 West Pinewood Drive after Timothy Brooks' father found him in the backyard swimming pool, according to a Slidell police news release.

The child was taken to a hospital, where he later was pronounced dead.

Authorities said they believe the drowning was accidental, and no charges have been filed. However, an investigation was ongoing.