An 18-wheeler crashed head-on into a school bus today on a Mississippi highway, killing three adults and injuring several students, reports the Clarion-Ledger. Killed were the driver of the truck, along with the bus driver and a female teacher. None of the students' injuries were thought to be life-threatening. It's not clear what caused the crash. The truck reportedly sideswiped a first school bus before crashing into the second. The students are high school seniors in Choctaw County who were returning from a day trip.
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