JOHANNESBURG, Sept. 13 -- Eight people, including two minors, were killed in a head-on collision in South Africa's northeastern Mpumalanga Province early Sunday morning, local authorities said.

The crash, involving a Toyota sedan and a Volkswagen sedan, occurred at about 1:30 a.m. local time (2330 Saturday GMT) on the N17 toll road between Ermelo and Davel, near the Ermelo Toll Plaza, the Mpumalanga Department of Community Safety, Security and Liaison said.

It said that seven of those killed were traveling in the Volkswagen, while the eighth victim was the driver and sole occupant of the Toyota, and no other injuries were reported.

The cause of the accident remains under investigation. Authorities said reckless or negligent driving had...