WILLIAMSBURG, Kan. ? A man and two children were killed Tuesday night in a one-vehicle accident in Osage County, the Kansas Highway Patrol said.

The patrol said a pickup truck going north on Interstate 35 near Williamsburg went into a ditch, hit a guardrail and overturned several times. Three of the six occupants were thrown from the truck.

Killed were Walter Mason, 56; Jeremiah Whytus, 2, and Christian Whytus, 11 months, all of Kansas City, Kan., the patrol said.

The driver and two other children were taken to hospitals in Kansas City, Mo.