Behind the Wheel with Phil Lebeau

Yet another Model S fire puts heat on Tesla

Phil LeBeau, CNBC Auto and Airline Industry Reporter
Tesla Model S fire under investigation

A third battery fire involving a Tesla Model S is once again raising questions about the safety of the popular but controversial electric car.

After falling as much as 9.0 percent, shares of the company closed down 7.5 percent to $139.77.

The latest incident happened Wednesday afternoon in Murfreesboro, , when a Model S drove over a tow hitch in the road that apparently punctured the vehicle's battery compartment.

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