RedactedNarrative: On Friday, December 3, 2021 at approximately 2330hrs, a vessel with two occupants was traveling at an unknown speed on the St. Johns River in Crescent City. The vessel struck a dock causing injuries to one occupant. The occupant was transported to Hallifax Hospital in Daytona. The occupant sustained serious head injuries and is currently admitted to the hospital in serious condition. The operator was uninjured and arrested on an unrelated warrant out of Marion County. Investigation is ongoing