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The Escondida Mine Union in Chile warns against self-driving trucks

In a statement released on Wednesday, the workers' union of BHP's Escondida copper mine in Chile, which is the largest mine in the world, expressed concern over two recent accidents that involved autonomous trucks.

The union, who has been critical of BHP in the past and has held strikes during contract negotiations, stated that on August 25, an autonomous truck crashed into shovel machinery, and the previous week, another truck overturned.

No injuries were reported.

Patricio Tapia, head of the Union, said that workers do not operate vehicles but they are responsible for other tasks, such as maintaining the roads.

BHP stated that it had trained over 4,800 employees in its automation system and "totally eradicated" the risk of people being exposed to dust when moving material in an open pit.

BHP reported that an incident involving autonomous trucks occurred in March.

The statement stated that "in the other incident involving a mechanical shovel and an autonomous truck there were no people exposed, and the investigation is still ongoing."

In July, the company announced that it had completed a five-year rolling out of autonomous operations on 33 trucks and 8 drills in the mine's Escondida North unit.

The statement stated that "less than a week after the announcement, reality has revealed a huge danger to worker safety."

Escondida produced 1,28 million tons copper last year. (Reporting and writing by Fabian Andres Cambero, Paolo Laudani, Alexander Villegas and Natalia Siniawski; editing by Daina Beth Sool and Alistair Bell).

(source: Reuters)