Riyadh: Seven people have been killed in two separate crashes in Saudi Arabia, a rescue official said on Monday.

The deadliest accident took place late Sunday in the south-western region of Asir where a driver of a performance car lost control of the wheel and crashed into the wall of a roadside cemetery, leaving five teenage passengers dead, said Mohammad Al Shahri, the spokesman for the Saudi Red Crescent in the area.

Two others were seriously injured and transferred to a local hospital.

The horrific crash split the car into three parts, according to the news portal Sabq.

Early Monday, two people died in a collision between two cars in the governorate of Bisha in south-western Saudi Arabia, Sabq reported, citing the same official.

Four others were injured in the accident, the cause of which was not immediately clear.

Road crashes resulted in 10,961 deaths in Saudi Arabia in 2017, according to official figures. The mishaps were mainly attributed to reckless driving.

In recent years, Saudi authorities have stepped up efforts to curb traffic accidents in the kingdom.