Sh1n (@hey_itsmyturn) reposted the following notice from @UK_MTO:

UKMTO WARNING 197-26

The full warning is available from UKMTO:
https://www.ukmto.org/-/media/ukmto/products/20261106-ukmto_warning-197-26.pdf?rev=c53718e903cc45659052993058647de4