At least 16 people were killed after an intercity bus collided head-on with a tanker truck on a major highway in Indonesia’s Sumatra island on Wednesday.

Axar.az reports, citing Jakarta Globe, the accident involved a long-distance bus operated by ALS and a tanker truck traveling in the opposite direction.

“Our team is on site with traffic police to carry out evacuation efforts. Preliminary reports confirm 16 fatalities,” Mugono, an official at the North Musi Rawas Regional Disaster Management Agency (BPBD), said.

The victims included 14 bus passengers, as well as the driver and assistant of the tanker truck. Four people survived the crash, including three who sustained severe burn injuries and one with minor injuries.