Published: Jun 26, 2013 3:15 PM EDT

LEHIGH ACRES, Fla.- An autopsy confirmed the toddler who died while at Smith Family Daycare drowned.

On Monday, Lee County Sheriff's deputies responded to 5003 Lee Circle North, where a neighbor was performing CPR on 2-year-old Christian Byrd. The boy was found underwater, in a kiddie pool. Christian was pronounced deceased at the hospital.

The investigation continues.