Had a strange white beam during night flight this morning. First time anything like this happento me during a night flight. Can be seen on regular camera mode and not in IR. Any idea what it could be from? there was slight fog this morning but this never happen before in simular conditions.

Hi, there
We apologize for the inconvenience that you are encountering.
Before better assist you, could you please tell us what the model type of drone it is?
Kindly request you provide the footage of photo, we will check it out for you.
Thanks for your understanding.