Clark County, KANSAS – Kansas Highway Patrol officials said the fatal accident occurred right after 3 p.m. Saturday afternoon.
It happened on U.S Highway 54.
Kansas Highway Patrol troopers responded to a report of a crash.
The responding troopers discovered that the 43-year-old driver of Mercury Grand Marquis left the center of the road and struck a semi-truck.
The 43-year-old man was seriously injured and was taken to a hospital for treatment.
He was later identified as David Clements.
Three passengers of the same vehicle were pronounced dead.
They were later identified as 12-year-old Juno Clements, 10-year-old Arabella Clements and 7-year old Harper Clements.
The 30-year-old driver of the semi-truck was not injured, troopers said.
He was later identified as Ali Hassani.
This incident remains under investigation.
This is a developing story and it will be updated as new information become available.