As reported by Censor.NET citing VolynPost, the crash occured on the H22 road Ustyluh - Lutsk - Rivne, which runs from Ukraine's western border through the western regions.
According to Volodymyr Kravchenia, the head of Volyn Regional Traffic Police Dept, the crossing into the oncoming lane was committed by the driver of DAF truck, who was traveling from Lutsk to Rivne.
"The truck crashed into Neoplan coach going from Stuttgart to Kyiv. According to information received, there were 20 passengers and two drivers on board," he said.
Kravchenia added that both drivers died: one was killed at spot, the other died later in a hospital. Two Neoplan passengers and DAF driver received injuries of moderate severity.
A proceeding under article 286 of the Criminal Code of Ukraine will be opened. It is suggested that the truck driver who crossed into the oncoming line was tired.