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TOMBALL, Texas-- The Tomball Police Department late Thursday investigated to determine who crossed the middle line of a roadway, leading to a violent head-on collision.

Two drivers were sent to the hospital in critical condition, according to TPD.

The crash happened around 11:30 p.m. on FM 2978. An SUV and a truck traveling in opposite directions hit head-on.

Police said it wasn t immediately clear which driver was at-fault in the crash.

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