MONROE, La. (KNOE) - Louisiana State Police are investigating a fatal two-vehicle crash in Richland Parish that occurred just before 6 p.m. on Wednesday, Sept. 17.

Officials say 35-year-old Jana Holman of Columbia was driving north on Hwy 561, when her vehicle crossed the centerline and hit a southbound vehicle head-on.

LSP says Holman was not wearing a seatbelt at the time of the crash and died at the scene. The other driver was not injured.

Officials say the cause of the crash is unknown, but they suspect impairment was a factor. Routine toxicology samples were collected and sent for analysis.

The crash remains under investigation.

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