FLAGLER COUNTY, Fla. – Flagler County Sheriff Rick Staly is set to hold a news conference on Thursday afternoon to announce a major update on the investigation into the shooting death of an 18-month-old girl that happened in Palm Coast in early September.

(Click the video player above to watch live starting at 2:15 p.m.)

The Flager County Sheriff’s Office was investigating after the 1-year-old girl was shot and killed on Sept. 3. The shooting may have been accidental, the sheriff said, but a person of interest was identified and arrested on a separate charge.

MORE: 1-year-old dies in shooting that may have been accidental inside Palm Coast home; person of interest identified