A fatal Tesla Cybertruck incident in Piedmont is being investigated by the National Highway and Traffic Safety Administration and California Highway Patrol after three Piedmont high school graduates died and another was hospitalized.

A USC community continued to grieve after it was revealed a student athlete was among the people killed in a fiery Tesla Cybertruck crash on the day before Thanksgiving in Northern California.

The mother of the survivor of Wednesday morning's horrific Tesla Cybertruck crash in the East Bay town of Piedmont that left three young adults from the East Bay community dead on Friday identified her son and the three other victims.