Hendricks County authorities are investigating a crash with injury.

About 3:00 pm Thursday, Hendricks County Sheriff’s deputies responded to a serious bodily injury crash in the 3100 block of East County Road 100N, near Danville.

Preliminary investigation shows that a black Mercedes, occupied by three persons, was traveling eastbound on County Road 100 North, when for an unknown reason, the vehicle crossed left of center and struck a westbound silver Kia head-on.

There was one occupant in the Kia. All four were transported to area hospitals believed to be in critical condition.