Editor’s note: This article has been updated to correct the name of one of the individuals. We regret the error.

GARRARD COUNTY, Ky. (FOX 56) — The family of a Kentucky EMT who was killed in an ambulance crash in early April has filed a lawsuit.

Chastian Mcwhorter, 26, was killed on April 1 after an ambulance he was working in crashed into a box truck in Garrard County.

According to KSP, it happened around 9 a.m. near Rocky Top Food Market Shell Station at the intersection of US 27 and Old US 27.

KSP said that the initial investigation revealed that semi-truck driver Cory Dunn, 44, of Lexington, was traveling east on Old Lexington Road and made a left-handed turn onto Lexington Road in front of a Somerset-Pulaski County ambulance traveling north.

Mcwhorter, of Albany, and patient Robert Caudill, 75, of Nancy, were fatally injured and pronounced dead at the scene by the Garrard County coroner. Dunn and ambulance passenger Bailey Haynes, 23, of Somerset, were transported to the University of Kentucky Albert B. Chandler Hospital with non-life-threatening injuries.

The 15-page lawsuit filed by Mcwhorter’s wife, Elizabeth Marie McWhorter, claimed Dunn’s actions were negligent and that he “failed to comply with regulations governing commercial vehicles including, but not limited to, regulations regarding driving commercial vehicles, general requirements, parts, and accessories for safe operation, commercial driver’s license standard, inspection, repair, and maintenance,” according to the lawsuit.

The lawsuit names Clem’s Refrigerated Foods, owner William M. Clem, semi-truck driver Cory J. Dunn, and the Kentucky League of Cities Insurance Services Association.