Update: There was a witness to the Highway 75 accident Sunday that killed four from Topeka, Kan., and critically injured another.

Steve Warga of Cassgram reports that a 911 caller stated that he was on his way home to Kansas when a red truck crossed the centerline and struck his friend’s vehicle that was traveling in front of him.

NEBRASKA CITY – The Cass County Sheriff's Office reports the death of four Topeka, Kan., residents in a Highway 75 traffic accident south of Union on Sunday night.

The sheriff's office press release says a Chevrolet truck driven by 55-year-old Ronald Dubas of La Vista was northbound on the highway and collided with a southbound 2009 Chevrolet Cobalt driven by 21-year-old Ashly Bracken.

The Cobalt had five occupants. Deceased are the driver and three passengers, 22-year-old Tatiyana Wade, four-year-old Malaysia Reece and five-year-old Keniah Robinson.

A front seat passenger, age 20, was listed in critical condition at an Omaha hospital at the time of the press release.

The press release says the cause of the accident is being investigated, but the Chevrolet truck is reported to have crossed the center line.