KILLONA – A violent Sunday head-on collision on the St. Charles Parish West Bank left one motorist dead and another hospitalized, authorities said.

Shortly after 1 a.m. Sunday, Louisiana State Police Troop B began investigating the fatal crash on Louisiana 3127 west near Louisiana 3141 in Killona.

The crash claimed the life of 45-year-old Holly Arnold of New Orleans.

Troopers’ initial investigation indicated Arnold was driving a 2008 Honda Element east in the westbound lanes of Louisiana 3127.

A 2014 Nissan Altima, driven by 25-year-old Gabrielle Smith of Boutte, was traveling west on Louisiana 3127 and was impacted head-on by the Honda.

Arnold was not wearing a seat belt and was ejected from the vehicle; she was pronounced dead on the scene, State Police said.

Smith was taken to University Medical Center with critical injuries. Impairment is unknown and toxicology tests are pending, State Police said.