At approximately 1 a.m. Sunday, Louisiana State Police Troop B responded to a fatality crash on I-10 west at mile post 219.1 that involved two vehicles and a pedestrian.

A Houma man lost his life in the crash.

Preliminary investigation revealed a 2010 Toyota Scion, driven by Louis R. Hernandez of Meridian, Miss., was traveling west on I-10 and stopped on the right shoulder of the Bonnet Carre Spillway bridge to urinate. Hernandez had a front seat passenger in the Toyota, David E. Vasquez-Dueno, 21, of Houma.

While Hernandez was walking on or near the right lane/right shoulder area of the road, a 2006 Chevrolet Silverado truck was approaching mile post 219.1 in the right lane. The Chevrolet was driven by Joel Ybarra, 42, of Little Rock, Ark. Ybarra attempted to avoid hitting Hernandez and veered to the right, impacting the rear of the parked Toyota.

Vasquez-Dueno was not seat belted in the front seat and was pronounced dead on the scene. Hernandez did not have injuries. Ybarra suffered critical injuries and was taken to University Medical Center Level 1 Trauma Center.

Charges are pending on Hernandez.

It is unknown if Ybarra was seat belted at the time of the crash and impairment is suspected. Ybarra was arrested for vehicular homicide and careless operation. The crash remains under investigation.

A Troop B Trooper was responding to the fatality crash scene to assist with the investigation at approximately 1:45 am. The Trooper, whose name was not released, was in his fully marked LSP Ford Crown Victoria with all emergency lights activated.

The Trooper was in the left lane and was slowing down in order to pull ahead of the other on-scene emergency vehicles and was struck from behind by a 2006 Chevrolet Silverado truck. The Chevrolet was driven by James F. Osborne IV, 34, of Baton Rouge.

The Trooper was seat belted and received minor injuries. He was transported to St. Charles Hospital. Osborne was impaired and was found to be over blood alcohol limit of 0.08g%. He was arrested for DWI, reckless operation and vehicular negligent injuring. This crash also remains under investigation.