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

UKMTO WARNING 189-26

The full warning is available from UKMTO:
https://www.ukmto.org/-/media/ukmto/products/20261030-ukmto_warning_189-26.pdf?rev=105d2e5c21014d769d701eed4f9815cd