BURAIDAH — A speeding heavy truck hit six cars on Buraidah's northern ring road, injuring all of the drivers and passengers on board the six cars. Two of the injured were listed in critical condition. According to eyewitnesses, the six vehicles were well under the speed limit when the speeding truck driver lost control and smashed the vehicle into the cars. The ring road was closed for an hour and a half until traffic police towed the truck and the damaged cars. An investigation has been launched.