A Nikola electric semi-truck caught fire during a battery test outside its Phoenix headquarters. It comes after another Nikola Tre truck caught alight this week in Tempe, Arizona. The electric vehicle maker was testing why a battery pack on another of its trucks caught fire this week when the incident occurred. The semi-truck was undergoing a "battery fire investigation and testing" when it caught alight in its second fire incident this week, the company told Bloomberg in an email. In the first fire, a Tre battery-electric vehicle caught alight in Tempe, Arizona, Reuters reported.

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Persons: Nikola Tre, Nikola, Steve Girsky, Michael Lohscheller, Girsky, Nikola didn't Organizations: Service, Bloomberg, Reuters, Street, General Motors Locations: Phoenix, Tempe , Arizona, Wall, Silicon