India, July 4 -- Sergio and Jennifer Villanueva were killed in a multi-vehicle crash in Nevada that authorities say may be the first known fatal incident involving a Tesla Semi truck. The collision occurred on June 28 near Dayton in Lyon County and is currently under investigation by the Nevada State Police Highway Patrol.

Officials are still working to determine the exact cause of the crash.

According to preliminary findings from the Lyon County Sheriff's Office, early evidence suggests the Tesla Semi driver may have fallen asleep before the crash. The incident involved three vehicles, including the Tesla Semi and two passenger cars, one of which was a vintage Volkswagen Beetle.

A third person sustained life-threatening injuries and w...