Mia Kylee Simmerman, the 3-year-old granddaughter of State Rep. Terry Mills, was pronounced dead Wednesday afternoon at the UK Medical Center after being found unresponsive at her home.
"It's a tragic accident and we're grieving. We're grieving hard," Rep. Mills said.
Kylee is the daughter of Terri Lee Mills and Andy Simmerman of Lexington.
"It's the greatest pain I've ever experienced," Rep. Mills said.