ST. JOHNS COUNTY, Fla. -- UPDATE, Tuesday:The victim was identified as Gary Alan Madeux, 71, of Jacksonville. Madeux is still hospitalized and is considered to be in critical condition, according to police.

The factors that caused the crash are still being investigated.

One person was left life-threatening condition after a single vehicle crash in St. Johns County Sunday morning.

The crash occurred on Woodlawn Road near Heritage Park Drive around 10 a.m., according to St. Johns County Sheriff's Office.

Deputies and Fire-Rescue crews arrived to find a person who was unresponsive.

The man was air lifted to UF Health in life-threatening condition, according to authorities.

The identity of the victim will not be released until investigators have notified next of kin.

The investigation into the factors that caused the crash is ongoing, according to SJCSO.