Tesla factory to be investigated over safety concerns

California base faces claims of unreported injuries as it struggles to roll out Model 3Tesla is facing an investigation by Californian safety regulators into reports of serious injuries at its factory in Fremont, California, where it is struggling to scale up production of its Model 3 mass-market electric car.The California Occupational Safety and Health Administration said on Wednesday it had begun an inspection on Tuesday, a day after the news website Reveal alleged that Tesla failed to disclo