Below is Rivian’s statement regarding the issue:
We are aware of the incident and are investigating the situation.
There were no injuries from this incident.
As we are gathering information, it is too soon to say what might have caused this thermal event.
A few things to point out from the initial evidence:
There were a few vehicles impacted by the incident, but the thermal event propagated from the source to surrounding vehicles.
This vehicle was plugged into the charger, but it was not charging when the incident occurred.
The HV battery was not the initiator of the incident.
What’s most interesting here is that the vans were, apparently, definitively not charging when the fires started. This means the theory that the chargers are to blame could be in question.